Subtract 14/72 from 10/63
10/63 - 14/72 is -1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
10/63 = 10 × 8/63 × 8 = 80/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
14/72 = 14 × 7/72 × 7 = 98/504 - Subtract the two like fractions:
80/504 - 98/504 = 80 - 98/504 = -18/504 - After reducing the fraction, the answer is -1/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/63-14/72 10/63-28/72 30/63-14/72 10/63-42/72 50/63-14/72 10/63-70/72 70/63-14/72 10/63-98/72