Subtract 9/15 from 7/10
7/10 - 9/15 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
7/10 = 7 × 3/10 × 3 = 21/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
9/15 = 9 × 2/15 × 2 = 18/30 - Subtract the two like fractions:
21/30 - 18/30 = 21 - 18/30 = 3/30 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-9/15 7/10-18/15 7/20-9/15 7/10-9/30 21/10-9/15 7/10-27/15 7/30-9/15 7/10-9/45 35/10-9/15 7/10-45/15 7/50-9/15 7/10-9/75 49/10-9/15 7/10-63/15 7/70-9/15