Subtract 27/14 from 40/20
1st number: 2 0/20, 2nd number: 1 13/14
40/20 - 27/14 is 1/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
40/20 = 40 × 7/20 × 7 = 280/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
27/14 = 27 × 10/14 × 10 = 270/140 - Subtract the two like fractions:
280/140 - 270/140 = 280 - 270/140 = 10/140 - 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: 80/20-27/14 40/20-54/14 40/20-27/28 40/20-81/14 40/60-27/14 40/20-27/42 40/20-27/70 40/20-27/98