Subtract 49/70 from 27/20
1st number: 1 7/20, 2nd number: 49/70
27/20 - 49/70 is 13/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
27/20 = 27 × 7/20 × 7 = 189/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
49/70 = 49 × 2/70 × 2 = 98/140 - Subtract the two like fractions:
189/140 - 98/140 = 189 - 98/140 = 91/140 - After reducing the fraction, the answer is 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-49/70 27/20-98/70 27/40-49/70 81/20-49/70 27/60-49/70