Subtract 14/32 from 28/84
28/84 - 14/32 is -5/48.
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,
14/32 = 14 × 21/32 × 21 = 294/672 - Subtract the two like fractions:
224/672 - 294/672 = 224 - 294/672 = -70/672 - After reducing the fraction, the answer is -5/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84-14/32 28/84-28/32 28/84-14/64 28/84-42/32 28/84-14/96 28/84-70/32 28/84-98/32