Subtract 49/35 from 20/12
1st number: 1 8/12, 2nd number: 1 14/35
20/12 - 49/35 is 4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
20/12 = 20 × 35/12 × 35 = 700/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
49/35 = 49 × 12/35 × 12 = 588/420 - Subtract the two like fractions:
700/420 - 588/420 = 700 - 588/420 = 112/420 - After reducing the fraction, the answer is 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12-49/35 20/12-98/35 20/24-49/35 20/12-49/70 60/12-49/35 20/36-49/35 20/60-49/35 20/84-49/35