Subtract 15/45 from 5/54
5/54 - 15/45 is -13/54.
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,
5/54 = 5 × 5/54 × 5 = 25/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
15/45 = 15 × 6/45 × 6 = 90/270 - Subtract the two like fractions:
25/270 - 90/270 = 25 - 90/270 = -65/270 - After reducing the fraction, the answer is -13/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54-15/45 5/54-30/45 5/54-15/90 15/54-15/45 25/54-15/45 5/54-75/45 35/54-15/45