What is 11/8 minus 7 in fraction?
11/8 minus 7 equals to -45/8 in fraction form.
Learn how to find what is 11/8 minus 7 in fraction form just in a few minutes. We have covered the easiest method to write 11/8 - 7 as a fraction and decimal.
Summary: 11/8 minus 7
Since both the fractions have the unequal denominators, you have to find the equivalent fractions for 11/8 and 7 having identical denominators before starting adding the fractions. Find the LCM of denominators, 8 is the LCM of 8 and 1. Multiply the LCM 8 with all the numerators and denominators of both fractions (11/8 x 8/8) - (7 x 8/8) and simplify further in order to have the common denominators. By simplifying the fraction subtraction expression becomes -45/8.
The below workout with step by step calculation shows how to find the difference between fraction and a whole number by subtracting 7 from 11/8. use any one of the following methods to find the equivalent fraction for 11/8 minus 7.
1. LCM method
2. Cross multiplication method.
11/8-7 using LCM Method:
What is 11/8 minus 7 as a fraction?
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 11/8
Fraction B: 7/1
What to be found?
11/8-7 = ?
Find what's the difference between 11/8 and 7.
step 2 Compare the denominators of fractions 11/8 and 7 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 11/8 and 7 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 11/8 and 7:
The LCM of 8 and 1 is 8.
step 4 Write the fractions 11/8 and 7 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
=11/8-7
=(11 x 8)/(8 x 8)-(7 x 8)/(1 x 8)
step 5 Simplify the expression to have common denominator:
=11/8-56/8
step 6 Take the common values out and rewrite the above expression like the below:
=1/8 x (11/1-56/1)
=1/8 x (11 - 56)
step 7Simplify the above expression further:
=1/8 x -45
=-45/8
11/8-7=-45/8
Hence,
11/8 minus 7 equals to -45/8 in fraction.
11/8-7 using Cross Multiplication Method:
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 11/8
Fraction B: 7/1
What to be found?
11/8-7 = ?
Find what's the difference between 11/8 and 7.
step 2 Find the product of numerator of Fraction A and denominator of Fraction B (11 x 1), find the product of numerator of Fraction B and denominator of Fraction A (7 x 8), and find the product of both denominators of Fraction A and Fraction B (8 x 1) and rewrite the equation as like the below:
= (11 x 1) - (7 x 8)/(8 x 1)
step 3 Simplify and rewrite the fraction:
= (11 - 56)/8
11/8-7 = -45/8
Hence,
11/8 minus 7 = -45/8