Subtract 45/8 from 2/54
1st number: 2/54, 2nd number: 5 5/8
2/54 - 45/8 is -1207/216.
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,
2/54 = 2 × 4/54 × 4 = 8/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
45/8 = 45 × 27/8 × 27 = 1215/216 - Subtract the two like fractions:
8/216 - 1215/216 = 8 - 1215/216 = -1207/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54-45/8 2/54-90/8 2/54-45/16 6/54-45/8 2/54-45/24 10/54-45/8 2/54-45/40 14/54-45/8 2/54-45/56