Subtract 36/42 from 20/14
1st number: 1 6/14, 2nd number: 36/42
20/14 - 36/42 is 4/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
20/14 = 20 × 3/14 × 3 = 60/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
36/42 = 36 × 1/42 × 1 = 36/42 - Subtract the two like fractions:
60/42 - 36/42 = 60 - 36/42 = 24/42 - After reducing the fraction, the answer is 4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-36/42 20/14-72/42 20/28-36/42 20/14-36/84 60/14-36/42 20/42-36/42 20/70-36/42 20/98-36/42