Subtract 35/90 from 40/25
1st number: 1 15/25, 2nd number: 35/90
40/25 - 35/90 is 109/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
40/25 = 40 × 18/25 × 18 = 720/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
35/90 = 35 × 5/90 × 5 = 175/450 - Subtract the two like fractions:
720/450 - 175/450 = 720 - 175/450 = 545/450 - After reducing the fraction, the answer is 109/90
- In mixed form: 119/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/25-35/90 40/25-70/90 40/50-35/90 40/75-35/90