Subtract 20/35 from 7/14
7/14 - 20/35 is -1/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
7/14 = 7 × 5/14 × 5 = 35/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
20/35 = 20 × 2/35 × 2 = 40/70 - Subtract the two like fractions:
35/70 - 40/70 = 35 - 40/70 = -5/70 - After reducing the fraction, the answer is -1/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14-40/35 7/28-20/35 7/14-20/70 21/14-20/35 7/14-60/35 7/42-20/35 35/14-20/35 7/70-20/35 49/14-20/35 7/98-20/35