Subtract 63/40 from 28/14
1st number: 2 0/14, 2nd number: 1 23/40
28/14 - 63/40 is 17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
28/14 = 28 × 20/14 × 20 = 560/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
63/40 = 63 × 7/40 × 7 = 441/280 - Subtract the two like fractions:
560/280 - 441/280 = 560 - 441/280 = 119/280 - After reducing the fraction, the answer is 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-63/40 28/14-63/80 84/14-63/40 28/42-63/40 28/70-63/40 28/98-63/40