Subtract 45/20 from 36/50
1st number: 36/50, 2nd number: 2 5/20
36/50 - 45/20 is -153/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
36/50 = 36 × 2/50 × 2 = 72/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
45/20 = 45 × 5/20 × 5 = 225/100 - Subtract the two like fractions:
72/100 - 225/100 = 72 - 225/100 = -153/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/50-45/20 36/50-90/20 36/50-45/40 36/50-45/60