Subtract 72/40 from 24/3
1st number: 8 0/3, 2nd number: 1 32/40
24/3 - 72/40 is 31/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
24/3 = 24 × 40/3 × 40 = 960/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120 - Subtract the two like fractions:
960/120 - 216/120 = 960 - 216/120 = 744/120 - After reducing the fraction, the answer is 31/5
- In mixed form: 61/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/3-72/40 24/6-72/40 24/3-72/80 72/3-72/40 24/9-72/40 24/15-72/40 24/21-72/40