Subtract 35/20 from 20/14
1st number: 1 6/14, 2nd number: 1 15/20
20/14 - 35/20 is -9/28.
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,
20/14 = 20 × 10/14 × 10 = 200/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
35/20 = 35 × 7/20 × 7 = 245/140 - Subtract the two like fractions:
200/140 - 245/140 = 200 - 245/140 = -45/140 - After reducing the fraction, the answer is -9/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-35/20 20/14-70/20 20/28-35/20 20/14-35/40 60/14-35/20 20/42-35/20 20/14-35/60 20/70-35/20 20/98-35/20