Subtract 32/54 from 7/12
7/12 - 32/54 is -1/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
7/12 = 7 × 9/12 × 9 = 63/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
32/54 = 32 × 2/54 × 2 = 64/108 - Subtract the two like fractions:
63/108 - 64/108 = 63 - 64/108 = -1/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12-32/54 7/12-64/54 7/24-32/54 21/12-32/54 7/12-96/54 7/36-32/54 35/12-32/54 7/60-32/54 49/12-32/54 7/84-32/54