Subtract 84/15 from 5/54
1st number: 5/54, 2nd number: 5 9/15
5/54 - 84/15 is -1487/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 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 15 × 18 = 270,
84/15 = 84 × 18/15 × 18 = 1512/270 - Subtract the two like fractions:
25/270 - 1512/270 = 25 - 1512/270 = -1487/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54-84/15 5/54-84/30 15/54-84/15 5/54-84/45 25/54-84/15 5/54-84/75 35/54-84/15