Subtract 5/54 from 72/75
72/75 - 5/54 is 1171/1350.
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,
72/75 = 72 × 18/75 × 18 = 1296/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
5/54 = 5 × 25/54 × 25 = 125/1350 - Subtract the two like fractions:
1296/1350 - 125/1350 = 1296 - 125/1350 = 1171/1350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75-10/54 72/75-15/54 72/75-25/54 72/75-35/54