Subtract 49/15 from 20/10
1st number: 2 0/10, 2nd number: 3 4/15
20/10 - 49/15 is -19/15.
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,
20/10 = 20 × 3/10 × 3 = 60/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
49/15 = 49 × 2/15 × 2 = 98/30 - Subtract the two like fractions:
60/30 - 98/30 = 60 - 98/30 = -38/30 - After reducing the fraction, the answer is -19/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-49/15 20/10-98/15 20/10-49/30 60/10-49/15 20/30-49/15 20/10-49/45 20/50-49/15 20/10-49/75 20/70-49/15