Subtract 63/36 from 20/14
1st number: 1 6/14, 2nd number: 1 27/36
20/14 - 63/36 is -9/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 14 × 18 = 252,
20/14 = 20 × 18/14 × 18 = 360/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
63/36 = 63 × 7/36 × 7 = 441/252 - Subtract the two like fractions:
360/252 - 441/252 = 360 - 441/252 = -81/252 - After reducing the fraction, the answer is -9/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-63/36 20/28-63/36 20/14-63/72 60/14-63/36 20/42-63/36 20/70-63/36 20/98-63/36