Subtract 3/4 from 10/72
10/72 - 3/4 is -11/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 4 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72 - Likewise, for the 2nd fraction, since 4 × 18 = 72,
3/4 = 3 × 18/4 × 18 = 54/72 - Subtract the two like fractions:
10/72 - 54/72 = 10 - 54/72 = -44/72 - After reducing the fraction, the answer is -11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/72-3/4 10/72-6/4 10/72-3/8 30/72-3/4 10/72-9/4 10/72-3/12 50/72-3/4 10/72-15/4 10/72-3/20 70/72-3/4 10/72-21/4 10/72-3/28