Subtract 30/72 from 6/2, Solve 3 0/2

Subtract 30/72 from 6/2

1^st number: 3 0/2, 2^nd number: 30/72

6/2 - 30/72 is 31/12.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 2 × 36 = 72,
6/2 = 6 × 36/2 × 36 = 216/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72
Subtract the two like fractions:
216/72 - 30/72 = 216 - 30/72 = 186/72
After reducing the fraction, the answer is 31/12
In mixed form: 27/12

MathStep (Works offline)

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