Subtract 28/32 from 50/84
50/84 - 28/32 is -47/168.
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,
50/84 = 50 × 8/84 × 8 = 400/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
28/32 = 28 × 21/32 × 21 = 588/672 - Subtract the two like fractions:
400/672 - 588/672 = 400 - 588/672 = -188/672 - After reducing the fraction, the answer is -47/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-56/32 50/84-28/64 50/84-84/32 50/84-28/96