Subtract 7/21 from 63/32
1st number: 1 31/32, 2nd number: 7/21
63/32 - 7/21 is 157/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
63/32 = 63 × 21/32 × 21 = 1323/672 - Likewise, for the 2nd fraction, since 21 × 32 = 672,
7/21 = 7 × 32/21 × 32 = 224/672 - Subtract the two like fractions:
1323/672 - 224/672 = 1323 - 224/672 = 1099/672 - After reducing the fraction, the answer is 157/96
- In mixed form: 161/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/32-14/21 63/64-7/21 63/32-7/42 63/96-7/21 63/32-7/63 63/32-35/21 63/32-49/21