Subtract 64/54 from 45/75
1st number: 45/75, 2nd number: 1 10/54
45/75 - 64/54 is -79/135.
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,
45/75 = 45 × 18/75 × 18 = 810/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
64/54 = 64 × 25/54 × 25 = 1600/1350 - Subtract the two like fractions:
810/1350 - 1600/1350 = 810 - 1600/1350 = -790/1350 - After reducing the fraction, the answer is -79/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75-64/54