Subtract 10/54 from 20/50
20/50 - 10/54 is 29/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 50 × 27 = 1350,
20/50 = 20 × 27/50 × 27 = 540/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
10/54 = 10 × 25/54 × 25 = 250/1350 - Subtract the two like fractions:
540/1350 - 250/1350 = 540 - 250/1350 = 290/1350 - After reducing the fraction, the answer is 29/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50-10/54 20/50-20/54 60/50-10/54 20/50-30/54 20/50-50/54 20/50-70/54