Subtract 7/84 from 42/32
1st number: 1 10/32, 2nd number: 7/84
42/32 - 7/84 is 59/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 84 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
42/32 = 42 × 21/32 × 21 = 882/672 - Likewise, for the 2nd fraction, since 84 × 8 = 672,
7/84 = 7 × 8/84 × 8 = 56/672 - Subtract the two like fractions:
882/672 - 56/672 = 882 - 56/672 = 826/672 - After reducing the fraction, the answer is 59/48
- In mixed form: 111/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-7/84 42/32-14/84 42/64-7/84 42/32-21/84 42/96-7/84 42/32-35/84 42/32-49/84