Subtract 98/63 from 15/16, Solve 15/16

Subtract 98/63 from 15/16

1^st number: 15/16, 2^nd number: 1 35/63

15/16 - 98/63 is -89/144.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008

Next, find the equivalent fraction of both fractional numbers with denominator 1008
For the 1st fraction, since 16 × 63 = 1008,
15/16 = 15 × 63/16 × 63 = 945/1008
Likewise, for the 2nd fraction, since 63 × 16 = 1008,
98/63 = 98 × 16/63 × 16 = 1568/1008
Subtract the two like fractions:
945/1008 - 1568/1008 = 945 - 1568/1008 = -623/1008
After reducing the fraction, the answer is -89/144

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad