Subtract 2/63 from 49/72
49/72 - 2/63 is 109/168.
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,
49/72 = 49 × 7/72 × 7 = 343/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
2/63 = 2 × 8/63 × 8 = 16/504 - Subtract the two like fractions:
343/504 - 16/504 = 343 - 16/504 = 327/504 - After reducing the fraction, the answer is 109/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/72-2/63 49/72-4/63 49/72-6/63 49/72-10/63 49/72-14/63