Subtract 18/10 from 25/54
1st number: 25/54, 2nd number: 1 8/10
25/54 - 18/10 is -361/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
25/54 = 25 × 5/54 × 5 = 125/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
18/10 = 18 × 27/10 × 27 = 486/270 - Subtract the two like fractions:
125/270 - 486/270 = 125 - 486/270 = -361/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/54-18/10 25/54-36/10 25/54-18/20 75/54-18/10 25/54-54/10 25/54-18/30 25/54-90/10 25/54-18/50 25/54-18/70