Subtract 15/54 from 9/8
1st number: 1 1/8, 2nd number: 15/54
9/8 - 15/54 is 61/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
9/8 = 9 × 27/8 × 27 = 243/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
15/54 = 15 × 4/54 × 4 = 60/216 - Subtract the two like fractions:
243/216 - 60/216 = 243 - 60/216 = 183/216 - After reducing the fraction, the answer is 61/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8-15/54 9/8-30/54 9/16-15/54 27/8-15/54 9/8-45/54 9/24-15/54 45/8-15/54 9/8-75/54 9/40-15/54 63/8-15/54 9/56-15/54