Subtract 56/36 from 90/50
1st number: 1 40/50, 2nd number: 1 20/36
90/50 - 56/36 is 11/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 50 × 18 = 900,
90/50 = 90 × 18/50 × 18 = 1620/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
56/36 = 56 × 25/36 × 25 = 1400/900 - Subtract the two like fractions:
1620/900 - 1400/900 = 1620 - 1400/900 = 220/900 - After reducing the fraction, the answer is 11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-56/72