Subtract 12/54 from 3/8
3/8 - 12/54 is 11/72.
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,
3/8 = 3 × 27/8 × 27 = 81/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
12/54 = 12 × 4/54 × 4 = 48/216 - Subtract the two like fractions:
81/216 - 48/216 = 81 - 48/216 = 33/216 - After reducing the fraction, the answer is 11/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-12/54 3/8-24/54 3/16-12/54 9/8-12/54 3/8-36/54 3/24-12/54 15/8-12/54 3/8-60/54 3/40-12/54 21/8-12/54 3/8-84/54 3/56-12/54