Subtract 9/72 from 40/3
1st number: 13 1/3, 2nd number: 9/72
40/3 - 9/72 is 317/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
40/3 = 40 × 24/3 × 24 = 960/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Subtract the two like fractions:
960/72 - 9/72 = 960 - 9/72 = 951/72 - After reducing the fraction, the answer is 317/24
- In mixed form: 135/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-9/72 40/3-18/72 40/6-9/72 40/3-27/72 40/9-9/72 40/3-45/72 40/15-9/72 40/3-63/72 40/21-9/72