Subtract 21/32 from 70/15
1st number: 4 10/15, 2nd number: 21/32
70/15 - 21/32 is 385/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 15 × 32 = 480,
70/15 = 70 × 32/15 × 32 = 2240/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
21/32 = 21 × 15/32 × 15 = 315/480 - Subtract the two like fractions:
2240/480 - 315/480 = 2240 - 315/480 = 1925/480 - After reducing the fraction, the answer is 385/96
- In mixed form: 41/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15-42/32 70/30-21/32 70/15-21/64 70/15-63/32 70/45-21/32 70/15-21/96 70/75-21/32