Subtract 10/84 from 10/72
10/72 - 10/84 is 5/252.
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,
10/72 = 10 × 7/72 × 7 = 70/504 - Likewise, for the 2nd fraction, since 84 × 6 = 504,
10/84 = 10 × 6/84 × 6 = 60/504 - Subtract the two like fractions:
70/504 - 60/504 = 70 - 60/504 = 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: 20/72-10/84 10/72-20/84 30/72-10/84 10/72-30/84 50/72-10/84 10/72-50/84 70/72-10/84 10/72-70/84