Subtract 49/35 from 7/20
1st number: 7/20, 2nd number: 1 14/35
7/20 - 49/35 is -21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
7/20 = 7 × 7/20 × 7 = 49/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
49/35 = 49 × 4/35 × 4 = 196/140 - Subtract the two like fractions:
49/140 - 196/140 = 49 - 196/140 = -147/140 - After reducing the fraction, the answer is -21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20-49/35 7/20-98/35 7/40-49/35 7/20-49/70 21/20-49/35 7/60-49/35 35/20-49/35 49/20-49/35