Subtract 28/25 from 18/24
1st number: 18/24, 2nd number: 1 3/25
18/24 - 28/25 is -37/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 25 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
18/24 = 18 × 25/24 × 25 = 450/600 - Likewise, for the 2nd fraction, since 25 × 24 = 600,
28/25 = 28 × 24/25 × 24 = 672/600 - Subtract the two like fractions:
450/600 - 672/600 = 450 - 672/600 = -222/600 - After reducing the fraction, the answer is -37/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24-28/25 18/24-56/25 18/48-28/25 18/24-28/50 54/24-28/25 18/24-84/25 18/72-28/25 18/24-28/75 90/24-28/25