Subtract 81/32 from 70/12
1st number: 5 10/12, 2nd number: 2 17/32
70/12 - 81/32 is 317/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 32 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 12 × 8 = 96,
70/12 = 70 × 8/12 × 8 = 560/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
81/32 = 81 × 3/32 × 3 = 243/96 - Subtract the two like fractions:
560/96 - 243/96 = 560 - 243/96 = 317/96 - In mixed form: 329/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-81/32 70/12-81/64 70/36-81/32 70/12-81/96 70/60-81/32 70/84-81/32