Subtract 35/30 from 10/75, Solve 10/75

Subtract 35/30 from 10/75

1^st number: 10/75, 2^nd number: 1 5/30

10/75 - 35/30 is -31/30.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 75 × 2 = 150,
10/75 = 10 × 2/75 × 2 = 20/150
Likewise, for the 2nd fraction, since 30 × 5 = 150,
35/30 = 35 × 5/30 × 5 = 175/150
Subtract the two like fractions:
20/150 - 175/150 = 20 - 175/150 = -155/150
After reducing the fraction, the answer is -31/30

MathStep (Works offline)

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