Subtract 20/14 from 18/35
1st number: 18/35, 2nd number: 1 6/14
18/35 - 20/14 is -32/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
18/35 = 18 × 2/35 × 2 = 36/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
20/14 = 20 × 5/14 × 5 = 100/70 - Subtract the two like fractions:
36/70 - 100/70 = 36 - 100/70 = -64/70 - After reducing the fraction, the answer is -32/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35-20/14 18/35-40/14 18/70-20/14 18/35-20/28 54/35-20/14 18/35-60/14 18/35-20/42 90/35-20/14 18/35-20/70 18/35-20/98