Subtract 54/72 from 2/12
2/12 - 54/72 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
2/12 = 2 × 6/12 × 6 = 12/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
54/72 = 54 × 1/72 × 1 = 54/72 - Subtract the two like fractions:
12/72 - 54/72 = 12 - 54/72 = -42/72 - After reducing the fraction, the answer is -7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-54/72 2/24-54/72 6/12-54/72 2/36-54/72 10/12-54/72 2/60-54/72 14/12-54/72 2/84-54/72