15/8 - 16 as a fraction

Learn how to find what is 15/8 minus 16 in fraction form just in a few minutes. We have covered the easiest method to write 15/8 - 16 as a fraction and decimal.

Summary: 15/8 minus 16 = -113/8
Since both fractions have unequal denominators, 15/8 minus 16 is an unlike fractions subtraction. For subtracting unlike fractions, you have to first find the equivalent fractions for fraction 15/8 and fraction 16 in order to have the same denominators for both fractions. Therefore, you have to find the LCM of denominators 8 and 1. 8 is the LCM of 8 and 1. Multiplying the LCM 8 with the numerators and denominators of both fractions (15/8 x 8/8) - (16 x 8/8), and simplify further in order to have the common denominator. So the equivalent fraction for 15/8 is 15/8 and for 16 is 128/8. By simplifying this fraction subtraction 15/8 - 128/8, it becomes -113/8.

CALCULATION: 15/8 - 16 as a fraction
15/8 - 16 = (?)
15/8 - 16/1 = [(15 x 1) - (16 x 8)]/(8 x 1)
= (15 - 128)/8
= -113/8
15/8 - 16 = -113/8
15/8 minus 16 as a fraction is -113/8.

where
15/8 is a improper fraction as a minuend,
16 is a whole number as a subtrahend,
-113/8 is the difference between 15/8 and 16.

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15/8 minus 16 as a decimal
15/8 - 16 = -113/8
-113/8 = -14.125
(15/8) - (16) as a decimal is -14.125

where
-14.125 is the difference between 15/8 and 16.

The below workout with step by step calculation shows how to find the difference between fraction and a whole number by subtracting 16 from 15/8. use any one of the following methods to find the equivalent fraction for 15/8 minus 16.
1. LCM method
2. Cross multiplication method.

(15/8) - (16) using LCM Method:
What is 15/8 minus 16 as a fraction?

step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 15/8
Fraction B: 16/1

What to be found?
(15/8) - (16) = ?
Find what's the difference between 15/8 and 16.

step 2 Compare the denominators of fractions 15/8 and 16 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 15/8 and 16 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 15/8 and 16:
The LCM of 8 and 1 is 8.

step 4 Write the fractions 15/8 and 16 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
= 15/8 - 16
= [(15 x 8)/(8 x 8)] - [(16 x 8)/(1 x 8)]

step 5 Simplify the expression to have common denominator:
= 15/8 - 128/8

step 6 Take the common values out and rewrite the above expression like the below:
= 1/8 x (15/1 - 128/1)
= 1/8 x (15 - 128)

step 7Simplify the above expression further:
= 1/8 x -113
= -113/8
15/8 - 16 = -113/8

Hence,
15/8 minus 16 as a fraction is -113/8.

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15/8 - 16 using Cross Multiplication Method:
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 15/8
Fraction B: 16/1

What to be found?
(15/8)-(16) = ?
Find what's the difference between 15/8 and 16.

step 2 Find the product of numerator of Fraction A and denominator of Fraction B (15 x 1), find the product of numerator of Fraction B and denominator of Fraction A (16 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:
= (15 x 1) - (16 x 8)/(8 x 1)

step 3 Simplify and rewrite the fraction:
= (15 - 128)/8
15/8 - 16 = -113/8

Hence,
15/8 minus 16 in fraction is -113/8