Subtract 63/56 from 81/16
1st number: 5 1/16, 2nd number: 1 7/56
81/16 - 63/56 is 63/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 56 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
81/16 = 81 × 7/16 × 7 = 567/112 - Likewise, for the 2nd fraction, since 56 × 2 = 112,
63/56 = 63 × 2/56 × 2 = 126/112 - Subtract the two like fractions:
567/112 - 126/112 = 567 - 126/112 = 441/112 - After reducing the fraction, the answer is 63/16
- In mixed form: 315/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/32-63/56 81/48-63/56 81/80-63/56