Subtract 5/20 from 45/36
1st number: 1 9/36, 2nd number: 5/20
45/36 - 5/20 is 1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
5/20 = 5 × 9/20 × 9 = 45/180 - Subtract the two like fractions:
225/180 - 45/180 = 225 - 45/180 = 180/180 - After reducing the fraction, the answer is 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36-5/20 45/36-10/20 45/72-5/20 45/36-5/40 45/36-15/20 45/36-5/60 45/36-25/20 45/36-35/20