Subtract 20/6 from 5/75, Solve 5/75

Subtract 20/6 from 5/75

1^st number: 5/75, 2^nd number: 3 2/6

5/75 - 20/6 is -49/15.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 6 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 75 × 2 = 150,
5/75 = 5 × 2/75 × 2 = 10/150
Likewise, for the 2nd fraction, since 6 × 25 = 150,
20/6 = 20 × 25/6 × 25 = 500/150
Subtract the two like fractions:
10/150 - 500/150 = 10 - 500/150 = -490/150
After reducing the fraction, the answer is -49/15

MathStep (Works offline)

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