Subtract 75/24 from 28/84
1st number: 28/84, 2nd number: 3 3/24
28/84 - 75/24 is -67/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
28/84 = 28 × 2/84 × 2 = 56/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
75/24 = 75 × 7/24 × 7 = 525/168 - Subtract the two like fractions:
56/168 - 525/168 = 56 - 525/168 = -469/168 - After reducing the fraction, the answer is -67/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84-75/24 28/84-75/48 28/84-75/72