Subtract 10/63 from 56/12, Solve 4 8/12

Subtract 10/63 from 56/12

1^st number: 4 8/12, 2^nd number: 10/63

56/12 - 10/63 is 284/63.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 12 × 21 = 252,
56/12 = 56 × 21/12 × 21 = 1176/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
10/63 = 10 × 4/63 × 4 = 40/252
Subtract the two like fractions:
1176/252 - 40/252 = 1176 - 40/252 = 1136/252
After reducing the fraction, the answer is 284/63
In mixed form: 432/63

MathStep (Works offline)

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