Subtract 63/56 from 16/20
1st number: 16/20, 2nd number: 1 7/56
16/20 - 63/56 is -13/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
16/20 = 16 × 14/20 × 14 = 224/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
63/56 = 63 × 5/56 × 5 = 315/280 - Subtract the two like fractions:
224/280 - 315/280 = 224 - 315/280 = -91/280 - After reducing the fraction, the answer is -13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20-63/56 16/40-63/56 48/20-63/56 16/60-63/56 80/20-63/56