Subtract 12/20 from 49/14
1st number: 3 7/14, 2nd number: 12/20
49/14 - 12/20 is 29/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
49/14 = 49 × 10/14 × 10 = 490/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Subtract the two like fractions:
490/140 - 84/140 = 490 - 84/140 = 406/140 - After reducing the fraction, the answer is 29/10
- In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/14-12/20 49/14-24/20 49/28-12/20 49/14-12/40 49/14-36/20 49/42-12/20 49/14-12/60 49/14-60/20 49/70-12/20 49/14-84/20 49/98-12/20