Subtract 50/63 from 14/72
14/72 - 50/63 is -151/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
14/72 = 14 × 7/72 × 7 = 98/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
50/63 = 50 × 8/63 × 8 = 400/504 - Subtract the two like fractions:
98/504 - 400/504 = 98 - 400/504 = -302/504 - After reducing the fraction, the answer is -151/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/72-50/63 42/72-50/63 70/72-50/63 98/72-50/63