Subtract 24/45 from 28/18
1st number: 1 10/18, 2nd number: 24/45
28/18 - 24/45 is 46/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
24/45 = 24 × 2/45 × 2 = 48/90 - Subtract the two like fractions:
140/90 - 48/90 = 140 - 48/90 = 92/90 - After reducing the fraction, the answer is 46/45
- In mixed form: 11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-24/45 28/18-48/45 28/36-24/45 28/18-24/90 84/18-24/45 28/18-72/45 28/54-24/45 28/90-24/45