Subtract 7/10 from 27/15
1st number: 1 12/15, 2nd number: 7/10
27/15 - 7/10 is 11/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
27/15 = 27 × 2/15 × 2 = 54/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
7/10 = 7 × 3/10 × 3 = 21/30 - Subtract the two like fractions:
54/30 - 21/30 = 54 - 21/30 = 33/30 - After reducing the fraction, the answer is 11/10
- In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-7/10 27/15-14/10 27/30-7/10 27/15-7/20 81/15-7/10 27/15-21/10 27/45-7/10 27/15-7/30 27/15-35/10 27/75-7/10 27/15-7/50 27/15-49/10 27/15-7/70