Subtract 21/72 from 56/14
1st number: 4 0/14, 2nd number: 21/72
56/14 - 21/72 is 89/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
56/14 = 56 × 36/14 × 36 = 2016/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
21/72 = 21 × 7/72 × 7 = 147/504 - Subtract the two like fractions:
2016/504 - 147/504 = 2016 - 147/504 = 1869/504 - After reducing the fraction, the answer is 89/24
- In mixed form: 317/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-42/72 56/28-21/72 56/14-63/72 56/42-21/72 56/70-21/72 56/98-21/72