Subtract 2/56 from 4/72
4/72 - 2/56 is 5/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
2/56 = 2 × 9/56 × 9 = 18/504 - Subtract the two like fractions:
28/504 - 18/504 = 28 - 18/504 = 10/504 - After reducing the fraction, the answer is 5/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72-2/56 4/72-4/56 12/72-2/56 4/72-6/56 20/72-2/56 4/72-10/56 28/72-2/56 4/72-14/56