Subtract 27/15 from 8/10
1st number: 8/10, 2nd number: 1 12/15
8/10 - 27/15 is -1/1.
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,
8/10 = 8 × 3/10 × 3 = 24/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
27/15 = 27 × 2/15 × 2 = 54/30 - Subtract the two like fractions:
24/30 - 54/30 = 24 - 54/30 = -30/30 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-27/15 8/10-54/15 8/20-27/15 8/10-27/30 24/10-27/15 8/10-81/15 8/30-27/15 8/10-27/45 40/10-27/15 8/50-27/15 8/10-27/75 56/10-27/15 8/70-27/15