Subtract 15/54 from 30/8
1st number: 3 6/8, 2nd number: 15/54
30/8 - 15/54 is 125/36.
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,
30/8 = 30 × 27/8 × 27 = 810/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
15/54 = 15 × 4/54 × 4 = 60/216 - Subtract the two like fractions:
810/216 - 60/216 = 810 - 60/216 = 750/216 - After reducing the fraction, the answer is 125/36
- In mixed form: 317/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8-15/54 30/8-30/54 30/16-15/54 90/8-15/54 30/8-45/54 30/24-15/54 30/8-75/54 30/40-15/54 30/56-15/54