Subtract 96/7 from 27/15, Solve 1 12/15

Subtract 96/7 from 27/15

1^st number: 1 12/15, 2^nd number: 13 5/7

27/15 - 96/7 is -417/35.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
27/15 = 27 × 7/15 × 7 = 189/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
96/7 = 96 × 15/7 × 15 = 1440/105
Subtract the two like fractions:
189/105 - 1440/105 = 189 - 1440/105 = -1251/105
After reducing the fraction, the answer is -417/35

MathStep (Works offline)

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