Subtract 10/72 from 4/84
4/84 - 10/72 is -23/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
4/84 = 4 × 6/84 × 6 = 24/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504 - Subtract the two like fractions:
24/504 - 70/504 = 24 - 70/504 = -46/504 - After reducing the fraction, the answer is -23/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84-10/72 4/84-20/72 12/84-10/72 4/84-30/72 20/84-10/72 4/84-50/72 28/84-10/72 4/84-70/72