Subtract 9/30 from 45/36
1st number: 1 9/36, 2nd number: 9/30
45/36 - 9/30 is 19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 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 30 × 6 = 180,
9/30 = 9 × 6/30 × 6 = 54/180 - Subtract the two like fractions:
225/180 - 54/180 = 225 - 54/180 = 171/180 - After reducing the fraction, the answer is 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36-9/30 45/36-18/30 45/72-9/30 45/36-9/60 45/36-27/30 45/36-9/90 45/36-45/30 45/36-63/30