Subtract 15/72 from 8/14
8/14 - 15/72 is 61/168.
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,
8/14 = 8 × 36/14 × 36 = 288/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Subtract the two like fractions:
288/504 - 105/504 = 288 - 105/504 = 183/504 - After reducing the fraction, the answer is 61/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14-15/72 8/14-30/72 8/28-15/72 24/14-15/72 8/14-45/72 8/42-15/72 40/14-15/72 8/14-75/72 8/70-15/72 56/14-15/72 8/98-15/72