Subtract 32/12 from 81/2
1st number: 40 1/2, 2nd number: 2 8/12
81/2 - 32/12 is 227/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
81/2 = 81 × 6/2 × 6 = 486/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
32/12 = 32 × 1/12 × 1 = 32/12 - Subtract the two like fractions:
486/12 - 32/12 = 486 - 32/12 = 454/12 - After reducing the fraction, the answer is 227/6
- In mixed form: 375/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/2-64/12 81/4-32/12 81/2-32/24 81/2-96/12 81/6-32/12 81/2-32/36 81/10-32/12 81/2-32/60 81/14-32/12 81/2-32/84