Subtract 10/24 from 30/18
1st number: 1 12/18, 2nd number: 10/24
30/18 - 10/24 is 5/4.
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,
30/18 = 30 × 4/18 × 4 = 120/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
10/24 = 10 × 3/24 × 3 = 30/72 - Subtract the two like fractions:
120/72 - 30/72 = 120 - 30/72 = 90/72 - After reducing the fraction, the answer is 5/4
- In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18-10/24 30/18-20/24 30/36-10/24 30/18-10/48 90/18-10/24 30/18-30/24 30/54-10/24 30/18-10/72 30/18-50/24 30/90-10/24 30/18-70/24