Subtract 35/32 from 28/84
1st number: 28/84, 2nd number: 1 3/32
28/84 - 35/32 is -73/96.
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,
28/84 = 28 × 8/84 × 8 = 224/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
35/32 = 35 × 21/32 × 21 = 735/672 - Subtract the two like fractions:
224/672 - 735/672 = 224 - 735/672 = -511/672 - After reducing the fraction, the answer is -73/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84-35/32 28/84-70/32 28/84-35/64 28/84-35/96