Subtract 63/28 from 81/32
1st number: 2 17/32, 2nd number: 2 7/28
81/32 - 63/28 is 9/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 28 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
81/32 = 81 × 7/32 × 7 = 567/224 - Likewise, for the 2nd fraction, since 28 × 8 = 224,
63/28 = 63 × 8/28 × 8 = 504/224 - Subtract the two like fractions:
567/224 - 504/224 = 567 - 504/224 = 63/224 - After reducing the fraction, the answer is 9/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/64-63/28 81/32-63/56 81/96-63/28 81/32-63/84