Subtract 40/14 from 63/54
1st number: 1 9/54, 2nd number: 2 12/14
63/54 - 40/14 is -71/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
40/14 = 40 × 27/14 × 27 = 1080/378 - Subtract the two like fractions:
441/378 - 1080/378 = 441 - 1080/378 = -639/378 - After reducing the fraction, the answer is -71/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/54-80/14 63/54-40/28 63/54-40/42 63/54-40/70 63/54-40/98