Subtract 42/32 from 84/12
1st number: 7 0/12, 2nd number: 1 10/32
84/12 - 42/32 is 91/16.
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,
84/12 = 84 × 8/12 × 8 = 672/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
42/32 = 42 × 3/32 × 3 = 126/96 - Subtract the two like fractions:
672/96 - 126/96 = 672 - 126/96 = 546/96 - After reducing the fraction, the answer is 91/16
- In mixed form: 511/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-84/32 84/24-42/32 84/12-42/64 84/36-42/32 84/12-42/96 84/60-42/32