Subtract 2/15 from 72/20
1st number: 3 12/20, 2nd number: 2/15
72/20 - 2/15 is 52/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
2/15 = 2 × 4/15 × 4 = 8/60 - Subtract the two like fractions:
216/60 - 8/60 = 216 - 8/60 = 208/60 - After reducing the fraction, the answer is 52/15
- In mixed form: 37/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20-4/15 72/40-2/15 72/20-2/30 72/20-6/15 72/60-2/15 72/20-2/45 72/20-10/15 72/20-2/75 72/20-14/15