Subtract 45/54 from 8/25
8/25 - 45/54 is -77/150.
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,
8/25 = 8 × 54/25 × 54 = 432/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
45/54 = 45 × 25/54 × 25 = 1125/1350 - Subtract the two like fractions:
432/1350 - 1125/1350 = 432 - 1125/1350 = -693/1350 - After reducing the fraction, the answer is -77/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-45/54 8/25-90/54 8/50-45/54 24/25-45/54 8/75-45/54 40/25-45/54 56/25-45/54