Subtract 50/90 from 30/25
1st number: 1 5/25, 2nd number: 50/90
30/25 - 50/90 is 29/45.
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,
30/25 = 30 × 18/25 × 18 = 540/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
50/90 = 50 × 5/90 × 5 = 250/450 - Subtract the two like fractions:
540/450 - 250/450 = 540 - 250/450 = 290/450 - After reducing the fraction, the answer is 29/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25-50/90 30/50-50/90 90/25-50/90 30/75-50/90