Subtract 45/25 from 90/50
1st number: 1 40/50, 2nd number: 1 20/25
90/50 - 45/25 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 50 × 1 = 50,
90/50 = 90 × 1/50 × 1 = 90/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
45/25 = 45 × 2/25 × 2 = 90/50 - Subtract the two like fractions:
90/50 - 90/50 = 90 - 90/50 = 0/50 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-90/25 90/50-45/50 90/50-45/75