Subtract 4/54 from 18/25
18/25 - 4/54 is 436/675.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 25 × 54 = 1350,
18/25 = 18 × 54/25 × 54 = 972/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
4/54 = 4 × 25/54 × 25 = 100/1350 - Subtract the two like fractions:
972/1350 - 100/1350 = 972 - 100/1350 = 872/1350 - After reducing the fraction, the answer is 436/675
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25-4/54 18/25-8/54 18/50-4/54 54/25-4/54 18/25-12/54 18/75-4/54 90/25-4/54 18/25-20/54 18/25-28/54