Subtract 9/36 from 3/30
3/30 - 9/36 is -3/20.
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,
3/30 = 3 × 6/30 × 6 = 18/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
9/36 = 9 × 5/36 × 5 = 45/180 - Subtract the two like fractions:
18/180 - 45/180 = 18 - 45/180 = -27/180 - After reducing the fraction, the answer is -3/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-9/36 3/30-18/36 3/60-9/36 3/30-9/72 9/30-9/36 3/30-27/36 3/90-9/36 15/30-9/36 3/30-45/36 21/30-9/36 3/30-63/36