Subtract 6/12 from 16/63
16/63 - 6/12 is -31/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
16/63 = 16 × 4/63 × 4 = 64/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
6/12 = 6 × 21/12 × 21 = 126/252 - Subtract the two like fractions:
64/252 - 126/252 = 64 - 126/252 = -62/252 - After reducing the fraction, the answer is -31/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/63-6/12 16/63-6/24 48/63-6/12 16/63-18/12 16/63-6/36 80/63-6/12 16/63-30/12 16/63-6/60 16/63-42/12 16/63-6/84