Subtract 49/14 from 9/20
1st number: 9/20, 2nd number: 3 7/14
9/20 - 49/14 is -61/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
49/14 = 49 × 10/14 × 10 = 490/140 - Subtract the two like fractions:
63/140 - 490/140 = 63 - 490/140 = -427/140 - After reducing the fraction, the answer is -61/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20-49/14 9/20-98/14 9/40-49/14 9/20-49/28 27/20-49/14 9/60-49/14 9/20-49/42 45/20-49/14 9/20-49/70 63/20-49/14 9/20-49/98