Subtract 80/7 from 10/36, Solve 10/36

Subtract 80/7 from 10/36

1^st number: 10/36, 2^nd number: 11 3/7

10/36 - 80/7 is -1405/126.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
10/36 = 10 × 7/36 × 7 = 70/252
Likewise, for the 2nd fraction, since 7 × 36 = 252,
80/7 = 80 × 36/7 × 36 = 2880/252
Subtract the two like fractions:
70/252 - 2880/252 = 70 - 2880/252 = -2810/252
After reducing the fraction, the answer is -1405/126

MathStep (Works offline)

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