Subtract 2/32 from 30/42
30/42 - 2/32 is 73/112.
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,
30/42 = 30 × 16/42 × 16 = 480/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
2/32 = 2 × 21/32 × 21 = 42/672 - Subtract the two like fractions:
480/672 - 42/672 = 480 - 42/672 = 438/672 - After reducing the fraction, the answer is 73/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42-2/32 30/42-4/32 30/84-2/32 30/42-2/64 90/42-2/32 30/42-6/32 30/42-2/96 30/42-10/32 30/42-14/32