Subtract 1/72 from 5/63
5/63 - 1/72 is 11/168.
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,
5/63 = 5 × 8/63 × 8 = 40/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
1/72 = 1 × 7/72 × 7 = 7/504 - Subtract the two like fractions:
40/504 - 7/504 = 40 - 7/504 = 33/504 - After reducing the fraction, the answer is 11/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/63-1/72 5/63-2/72 15/63-1/72 5/63-3/72 25/63-1/72 5/63-5/72 35/63-1/72 5/63-7/72