Subtract 24/63 from 16/12, Solve 1 4/12

Subtract 24/63 from 16/12

1^st number: 1 4/12, 2^nd number: 24/63

16/12 - 24/63 is 20/21.

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,
16/12 = 16 × 21/12 × 21 = 336/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
24/63 = 24 × 4/63 × 4 = 96/252
Subtract the two like fractions:
336/252 - 96/252 = 336 - 96/252 = 240/252
After reducing the fraction, the answer is 20/21

MathStep (Works offline)

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