Subtract 5/32 from 9/42
9/42 - 5/32 is 13/224.
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,
9/42 = 9 × 16/42 × 16 = 144/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
5/32 = 5 × 21/32 × 21 = 105/672 - Subtract the two like fractions:
144/672 - 105/672 = 144 - 105/672 = 39/672 - After reducing the fraction, the answer is 13/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42-5/32 9/42-10/32 9/84-5/32 9/42-5/64 27/42-5/32 9/42-15/32 9/42-5/96 45/42-5/32 9/42-25/32 63/42-5/32 9/42-35/32