Subtract 20/72 from 36/14
1st number: 2 8/14, 2nd number: 20/72
36/14 - 20/72 is 289/126.
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,
36/14 = 36 × 36/14 × 36 = 1296/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Subtract the two like fractions:
1296/504 - 140/504 = 1296 - 140/504 = 1156/504 - After reducing the fraction, the answer is 289/126
- In mixed form: 237/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-20/72 36/14-40/72 36/28-20/72 36/14-60/72 36/42-20/72 36/70-20/72 36/98-20/72