Subtract 20/50 from 4/54
4/54 - 20/50 is -44/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 54 × 25 = 1350,
4/54 = 4 × 25/54 × 25 = 100/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
20/50 = 20 × 27/50 × 27 = 540/1350 - Subtract the two like fractions:
100/1350 - 540/1350 = 100 - 540/1350 = -440/1350 - After reducing the fraction, the answer is -44/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/54-20/50 4/54-40/50 12/54-20/50 4/54-60/50 20/54-20/50 28/54-20/50