Subtract 63/14 from 36/15, Solve 2 6/15

Subtract 63/14 from 36/15

1^st number: 2 6/15, 2^nd number: 4 7/14

36/15 - 63/14 is -21/10.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
36/15 = 36 × 14/15 × 14 = 504/210
Likewise, for the 2nd fraction, since 14 × 15 = 210,
63/14 = 63 × 15/14 × 15 = 945/210
Subtract the two like fractions:
504/210 - 945/210 = 504 - 945/210 = -441/210
After reducing the fraction, the answer is -21/10

MathStep (Works offline)

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