Subtract 9/20 from 27/14
1st number: 1 13/14, 2nd number: 9/20
27/14 - 9/20 is 207/140.
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,
27/14 = 27 × 10/14 × 10 = 270/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Subtract the two like fractions:
270/140 - 63/140 = 270 - 63/140 = 207/140 - In mixed form: 167/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-9/20 27/14-18/20 27/28-9/20 27/14-9/40 81/14-9/20 27/14-27/20 27/42-9/20 27/14-9/60 27/14-45/20 27/70-9/20 27/14-63/20 27/98-9/20