Subtract 35/84 from 56/72
56/72 - 35/84 is 13/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 84 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
56/72 = 56 × 7/72 × 7 = 392/504 - Likewise, for the 2nd fraction, since 84 × 6 = 504,
35/84 = 35 × 6/84 × 6 = 210/504 - Subtract the two like fractions:
392/504 - 210/504 = 392 - 210/504 = 182/504 - After reducing the fraction, the answer is 13/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/72-70/84