1/1 - 2/78 as a fraction

Learn how to find what is 1/1 minus 2/78 in fraction form just in a few minutes. We have covered the easiest method to write 1/1 - 2/78 as a fraction and decimal.

Summary: 1/1 minus 2/78 = 38/39
Since both fractions have unequal denominators, 1/1 minus 2/78 is an unlike fractions subtraction. For subtracting unlike fractions, you have to first find the equivalent fractions for fraction 1/1 and fraction 2/78 in order to have the same denominators for both fractions. Therefore, you have to find the LCM of denominators 1 and 78. 78 is the LCM of 1 and 78. Multiplying the LCM 78 with the numerators and denominators of both fractions (1/1 x 78/78) - (2/78 x 78/78), and simplify further in order to have the common denominator. So the equivalent fraction for 1/1 is 78/78 and for 2/78 is 2/78. By simplifying this fraction subtraction 78/78 - 2/78, it becomes 76/78.

Pie Chart Representation: 1/1 - 2/78 = 38/39

CALCULATION: 1/1 - 2/78 as a fraction
1/1 - 2/78 = (?)
1/1 - 2/78 = [(1 x 78) - (2 x 1)]/(1 x 78)
= (78 - 2)/78
= 76/78
= (2 x 38)/(2 x 39)
= 38/39
1/1 - 2/78 = 38/39
1/1 minus 2/78 as a fraction is 38/39.

where
1/1 is a proper fraction as a minuend,
2/78 is a proper fraction as a subtrahend,
38/39 is the difference between 1/1 and 2/78.

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1/1 minus 2/78 as a decimal
1/1 - 2/78 = 38/39
38/39 = 0.9744
(1/1) - (2/78) as a decimal is 0.9744

where
0.9744 is the difference between 1/1 and 2/78.

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 2/78 from 1/1. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 1/1 minus 2/78.
1. LCM method
2. Cross multiplication method.

(1/1) - (2/78) using LCM Method:
What is 1/1 minus 2/78 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 1/1
Fraction B: 2/78

What to be found?
(1/1) - (2/78) = ?
Find what's the difference between 1/1 and 2/78.

step 2 Compare the denominators of fractions 1/1 and 2/78 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 1/1 and 2/78 are not equal, it is said to be unlike fractions subtraction.

step 3For unlike fractions subtraction, find the LCM (least common multiple) of both denominators of fractions 1/1 and 2/78:
The LCM of 1 and 78 is 78.

step 4 Write the fractions 1/1 and 2/78 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
= 1/1 - 2/78
= [(1 x 78)/(1 x 78)] - [(2 x 78)/(78 x 78)]

step 5 Simplify the expression to have common denominator:
= 78/78 - 2/78

step 6 Take the common values out and rewrite the above expression like the below:
= 1/78 x (78/1 - 2/1)
= 1/78 x (78 - 2)

step 7Simplify the above expression further:
= 1/78 x 76
= 76/78
= 38/39
1/1 - 2/78 = 38/39

Hence,
1/1 minus 2/78 as a fraction is 38/39.

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1/1 - 2/78 using Cross Multiplication Method:
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 1/1
Fraction B: 2/78

What to be found?
(1/1)-(2/78) = ?
Find what's the difference between 1/1 and 2/78.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (1 x 78), find the product of numerator of Fraction B and denominator of Fraction A (2 x 1), and find the product of both denominators of Fraction A and Fraction B (1 x 78) and rewrite the equation as like the below:
= (1 x 78) - (2 x 1)/(1 x 78)

step 3 Simplify and rewrite the fraction:
= (78 - 2)/78
= 76/78
= 38/39
1/1 - 2/78 = 38/39

Hence,
1/1 minus 2/78 in fraction is 38/39