Subtract 40/54 from 14/7
1st number: 2 0/7, 2nd number: 40/54
14/7 - 40/54 is 34/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
14/7 = 14 × 54/7 × 54 = 756/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378 - Subtract the two like fractions:
756/378 - 280/378 = 756 - 280/378 = 476/378 - After reducing the fraction, the answer is 34/27
- In mixed form: 17/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7-40/54 14/7-80/54 42/7-40/54 14/21-40/54 70/7-40/54 14/35-40/54 98/7-40/54 14/49-40/54