Subtract 18/54 from 54/8
1st number: 6 6/8, 2nd number: 18/54
54/8 - 18/54 is 77/12.
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,
54/8 = 54 × 27/8 × 27 = 1458/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
18/54 = 18 × 4/54 × 4 = 72/216 - Subtract the two like fractions:
1458/216 - 72/216 = 1458 - 72/216 = 1386/216 - After reducing the fraction, the answer is 77/12
- In mixed form: 65/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8-36/54 54/16-18/54 54/24-18/54 54/8-90/54 54/40-18/54 54/56-18/54