Subtract 1/72 from 56/48, Solve 1 8/48

Subtract 1/72 from 56/48

1^st number: 1 8/48, 2^nd number: 1/72

56/48 - 1/72 is 83/72.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 72 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 48 × 3 = 144,
56/48 = 56 × 3/48 × 3 = 168/144
Likewise, for the 2nd fraction, since 72 × 2 = 144,
1/72 = 1 × 2/72 × 2 = 2/144
Subtract the two like fractions:
168/144 - 2/144 = 168 - 2/144 = 166/144
After reducing the fraction, the answer is 83/72
In mixed form: 111/72

MathStep (Works offline)

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