Subtract 56/18 from 90/25
1st number: 3 15/25, 2nd number: 3 2/18
90/25 - 56/18 is 22/45.
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,
90/25 = 90 × 18/25 × 18 = 1620/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
56/18 = 56 × 25/18 × 25 = 1400/450 - Subtract the two like fractions:
1620/450 - 1400/450 = 1620 - 1400/450 = 220/450 - After reducing the fraction, the answer is 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-56/18 90/25-56/36 90/75-56/18 90/25-56/54 90/25-56/90