Subtract 1/10 from 12/15
12/15 - 1/10 is 7/10.
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,
12/15 = 12 × 2/15 × 2 = 24/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
1/10 = 1 × 3/10 × 3 = 3/30 - Subtract the two like fractions:
24/30 - 3/30 = 24 - 3/30 = 21/30 - After reducing the fraction, the answer is 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-1/10 12/15-2/10 12/30-1/10 12/15-1/20 36/15-1/10 12/15-3/10 12/45-1/10 12/15-1/30 60/15-1/10 12/15-5/10 12/75-1/10 12/15-1/50 84/15-1/10 12/15-7/10 12/15-1/70