Subtract 54/72 from 6/25
6/25 - 54/72 is -51/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
6/25 = 6 × 72/25 × 72 = 432/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
54/72 = 54 × 25/72 × 25 = 1350/1800 - Subtract the two like fractions:
432/1800 - 1350/1800 = 432 - 1350/1800 = -918/1800 - After reducing the fraction, the answer is -51/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/25-54/72 6/50-54/72 18/25-54/72 6/75-54/72 30/25-54/72 42/25-54/72