Subtract 72/8 from 10/12
1st number: 10/12, 2nd number: 9 0/8
10/12 - 72/8 is -49/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
10/12 = 10 × 2/12 × 2 = 20/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
72/8 = 72 × 3/8 × 3 = 216/24 - Subtract the two like fractions:
20/24 - 216/24 = 20 - 216/24 = -196/24 - After reducing the fraction, the answer is -49/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12-72/8 10/24-72/8 10/12-72/16 30/12-72/8 10/36-72/8 10/12-72/24 50/12-72/8 10/60-72/8 10/12-72/40 70/12-72/8 10/84-72/8 10/12-72/56