Subtract 45/36 from 9/30
1st number: 9/30, 2nd number: 1 9/36
9/30 - 45/36 is -19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
9/30 = 9 × 6/30 × 6 = 54/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Subtract the two like fractions:
54/180 - 225/180 = 54 - 225/180 = -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: 18/30-45/36 9/30-90/36 9/60-45/36 9/30-45/72 27/30-45/36 9/90-45/36 45/30-45/36 63/30-45/36