Subtract 28/24 from 4/18
1st number: 4/18, 2nd number: 1 4/24
4/18 - 28/24 is -17/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
4/18 = 4 × 4/18 × 4 = 16/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
28/24 = 28 × 3/24 × 3 = 84/72 - Subtract the two like fractions:
16/72 - 84/72 = 16 - 84/72 = -68/72 - After reducing the fraction, the answer is -17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18-28/24 4/18-56/24 4/36-28/24 4/18-28/48 12/18-28/24 4/18-84/24 4/54-28/24 4/18-28/72 20/18-28/24 4/90-28/24 28/18-28/24