Subtract 8/12 from 6/72
6/72 - 8/12 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
8/12 = 8 × 6/12 × 6 = 48/72 - Subtract the two like fractions:
6/72 - 48/72 = 6 - 48/72 = -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: 12/72-8/12 6/72-16/12 6/72-8/24 18/72-8/12 6/72-24/12 6/72-8/36 30/72-8/12 6/72-40/12 6/72-8/60 42/72-8/12 6/72-56/12 6/72-8/84