Subtract 40/18 from 10/25
1st number: 10/25, 2nd number: 2 4/18
10/25 - 40/18 is -82/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
10/25 = 10 × 18/25 × 18 = 180/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
40/18 = 40 × 25/18 × 25 = 1000/450 - Subtract the two like fractions:
180/450 - 1000/450 = 180 - 1000/450 = -820/450 - After reducing the fraction, the answer is -82/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25-40/18 10/25-80/18 10/50-40/18 10/25-40/36 30/25-40/18 10/75-40/18 10/25-40/54 50/25-40/18 10/25-40/90 70/25-40/18