Subtract 6/45 from 15/54
15/54 - 6/45 is 13/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
6/45 = 6 × 6/45 × 6 = 36/270 - Subtract the two like fractions:
75/270 - 36/270 = 75 - 36/270 = 39/270 - After reducing the fraction, the answer is 13/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/54-6/45 15/54-12/45 15/54-6/90 45/54-6/45 15/54-18/45 75/54-6/45 15/54-30/45 15/54-42/45