Subtract 7/15 from 49/20
1st number: 2 9/20, 2nd number: 7/15
49/20 - 7/15 is 119/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
49/20 = 49 × 3/20 × 3 = 147/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Subtract the two like fractions:
147/60 - 28/60 = 147 - 28/60 = 119/60 - In mixed form: 159/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-7/15 49/20-14/15 49/40-7/15 49/20-7/30 49/20-21/15 49/60-7/15 49/20-7/45 49/20-35/15 49/20-7/75 49/20-49/15