Subtract 5/54 from 40/56
40/56 - 5/54 is 235/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
40/56 = 40 × 27/56 × 27 = 1080/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
5/54 = 5 × 28/54 × 28 = 140/1512 - Subtract the two like fractions:
1080/1512 - 140/1512 = 1080 - 140/1512 = 940/1512 - After reducing the fraction, the answer is 235/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56-5/54 40/56-10/54 40/56-15/54 40/56-25/54 40/56-35/54