Subtract 10/54 from 40/75
40/75 - 10/54 is 47/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 75 × 18 = 1350,
40/75 = 40 × 18/75 × 18 = 720/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
10/54 = 10 × 25/54 × 25 = 250/1350 - Subtract the two like fractions:
720/1350 - 250/1350 = 720 - 250/1350 = 470/1350 - After reducing the fraction, the answer is 47/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75-10/54 40/75-20/54 40/75-30/54 40/75-50/54 40/75-70/54