8/5 minus 2/10 as a fraction
8/5 - 2/10 as a fraction provides the detailed information about what is 8/5 minus 2/10 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.
8/5-2/10 equals to
8/5 - 2/10 = (?)
8/5 - 2/10 = [(8 x 10) - (2 x 5)]/(5 x 10)
= (80 - 10)/50
= 70/50
= (10 x 7)/(10 x 5)
= 7/5
8/5 - 2/10 = 7/5
8/5 minus 2/10 is equal to 7/5
where
8/5 is a fraction as a minuend,
2/10 is a fraction as a subtrahend,
7/5 is the difference between 8/5 and 2/10.
8/5 minus 2/10 as a decimal
8/5 - 2/10 = 7/5
7/5 = 1.4
8/5-2/10 as a decimal is 1.4
where
1.4 is the difference between 8/5 and 2/10.
How-to: 8/5 - 2/10 = ?
1. LCM method,
2. Cross multiplication method.
Problem and Workout - LCM Method:
What is 8/5 minus 2/10 as a fraction?
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 8/5
Fraction B: 2/10
What to be found?
8/5-2/10 = ?
Find what's the difference between 8/5 and 2/10.
step 2 Compare the denominators of fractions 8/5 and 2/10 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 8/5 and 2/10 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 8/5 and 2/10:
The LCM of 5 and 10 is 10.
step 4 Write the fractions 8/5 and 2/10 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
=8/5-2/10
=(8 x 10)/(5 x 10)-(2 x 10)/(10 x 10)
step 5 Simplify the expression to have common denominator:
=16/10-2/10
step 6 Take the common values out and rewrite the above expression like the below:
=1/10 x (16/1-2/1)
=1/10 x (16 - 2)
step 7Simplify the above expression further:
=1/10 x 14
= 14/10
=7/5
8/5-2/10=7/5
Hence,
8/5 minus 2/10 equals to 7/5 in fraction.
Problem and Workout - Cross Multiplication Method
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 8/5
Fraction B: 2/10
What to be found?
8/5-2/10 = ?
Find what's the difference between 8/5 and 2/10.
step 2 Find the product of numerator of Fraction A and denominator of Fraction B (8 x 10), find the product of numerator of Fraction B and denominator of Fraction A (2 x 5), and find the product of both denominators of Fraction A and Fraction B (5 x 10) and rewrite the equation as like the below:
= (8 x 10) - (2 x 5)/(5 x 10)
step 3 Simplify and rewrite the fraction:
= (80 - 10)/50
= 70/50
= 7/5
8/5-2/10 = 7/5
Hence,
8/5 minus 2/10 = 7/5
