Subtract 42/32 from 5/42
1st number: 5/42, 2nd number: 1 10/32
5/42 - 42/32 is -401/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
5/42 = 5 × 16/42 × 16 = 80/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
42/32 = 42 × 21/32 × 21 = 882/672 - Subtract the two like fractions:
80/672 - 882/672 = 80 - 882/672 = -802/672 - After reducing the fraction, the answer is -401/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42-42/32 5/42-84/32 5/84-42/32 5/42-42/64 15/42-42/32 5/42-42/96 25/42-42/32 35/42-42/32