Subtract 27/80 from 72/15
1st number: 4 12/15, 2nd number: 27/80
72/15 - 27/80 is 357/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
72/15 = 72 × 16/15 × 16 = 1152/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
27/80 = 27 × 3/80 × 3 = 81/240 - Subtract the two like fractions:
1152/240 - 81/240 = 1152 - 81/240 = 1071/240 - After reducing the fraction, the answer is 357/80
- In mixed form: 437/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15-54/80 72/30-27/80 72/15-81/80 72/45-27/80 72/75-27/80