Subtract 45/54 from 4/75
4/75 - 45/54 is -39/50.
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,
4/75 = 4 × 18/75 × 18 = 72/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
45/54 = 45 × 25/54 × 25 = 1125/1350 - Subtract the two like fractions:
72/1350 - 1125/1350 = 72 - 1125/1350 = -1053/1350 - After reducing the fraction, the answer is -39/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/75-45/54 4/75-90/54 12/75-45/54 20/75-45/54 28/75-45/54