Subtract 14/32 from 42/84
42/84 - 14/32 is 1/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
42/84 = 42 × 8/84 × 8 = 336/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
14/32 = 14 × 21/32 × 21 = 294/672 - Subtract the two like fractions:
336/672 - 294/672 = 336 - 294/672 = 42/672 - After reducing the fraction, the answer is 1/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84-28/32 42/84-14/64 42/84-42/32 42/84-14/96 42/84-70/32 42/84-98/32