Subtract 12/63 from 16/28
16/28 - 12/63 is 8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
16/28 = 16 × 9/28 × 9 = 144/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
12/63 = 12 × 4/63 × 4 = 48/252 - Subtract the two like fractions:
144/252 - 48/252 = 144 - 48/252 = 96/252 - After reducing the fraction, the answer is 8/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28-12/63 16/28-24/63 16/56-12/63 48/28-12/63 16/28-36/63 16/84-12/63 80/28-12/63 16/28-60/63 16/28-84/63