Subtract 80/7 from 27/2
1st number: 13 1/2, 2nd number: 11 3/7
27/2 - 80/7 is 29/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
27/2 = 27 × 7/2 × 7 = 189/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
80/7 = 80 × 2/7 × 2 = 160/14 - Subtract the two like fractions:
189/14 - 160/14 = 189 - 160/14 = 29/14 - In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2-80/7 27/4-80/7 27/2-80/14 81/2-80/7 27/6-80/7 27/2-80/21 27/10-80/7 27/2-80/35 27/14-80/7 27/2-80/49