Subtract 3/15 from 72/8
1st number: 9 0/8, 2nd number: 3/15
72/8 - 3/15 is 44/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
72/8 = 72 × 15/8 × 15 = 1080/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
3/15 = 3 × 8/15 × 8 = 24/120 - Subtract the two like fractions:
1080/120 - 24/120 = 1080 - 24/120 = 1056/120 - After reducing the fraction, the answer is 44/5
- In mixed form: 84/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8-6/15 72/16-3/15 72/8-3/30 72/8-9/15 72/24-3/15 72/8-3/45 72/40-3/15 72/8-3/75 72/8-21/15 72/56-3/15