Subtract 18/8 from 5/54
1st number: 5/54, 2nd number: 2 2/8
5/54 - 18/8 is -233/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
5/54 = 5 × 4/54 × 4 = 20/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
18/8 = 18 × 27/8 × 27 = 486/216 - Subtract the two like fractions:
20/216 - 486/216 = 20 - 486/216 = -466/216 - After reducing the fraction, the answer is -233/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54-18/8 5/54-36/8 5/54-18/16 15/54-18/8 5/54-54/8 5/54-18/24 25/54-18/8 5/54-90/8 5/54-18/40 35/54-18/8 5/54-18/56