Subtract 27/15 from 72/14
1st number: 5 2/14, 2nd number: 1 12/15
72/14 - 27/15 is 117/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
72/14 = 72 × 15/14 × 15 = 1080/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
27/15 = 27 × 14/15 × 14 = 378/210 - Subtract the two like fractions:
1080/210 - 378/210 = 1080 - 378/210 = 702/210 - After reducing the fraction, the answer is 117/35
- In mixed form: 312/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-54/15 72/28-27/15 72/14-27/30 72/14-81/15 72/42-27/15 72/14-27/45 72/70-27/15 72/14-27/75 72/98-27/15