Subtract 30/25 from 4/18
1st number: 4/18, 2nd number: 1 5/25
4/18 - 30/25 is -44/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
4/18 = 4 × 25/18 × 25 = 100/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
30/25 = 30 × 18/25 × 18 = 540/450 - Subtract the two like fractions:
100/450 - 540/450 = 100 - 540/450 = -440/450 - After reducing the fraction, the answer is -44/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18-30/25 4/18-60/25 4/36-30/25 4/18-30/50 12/18-30/25 4/18-90/25 4/54-30/25 4/18-30/75 20/18-30/25 4/90-30/25 28/18-30/25