Subtract 9/36 from 40/30
1st number: 1 10/30, 2nd number: 9/36
40/30 - 9/36 is 13/12.
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,
40/30 = 40 × 6/30 × 6 = 240/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
9/36 = 9 × 5/36 × 5 = 45/180 - Subtract the two like fractions:
240/180 - 45/180 = 240 - 45/180 = 195/180 - After reducing the fraction, the answer is 13/12
- In mixed form: 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-9/36 40/30-18/36 40/60-9/36 40/30-9/72 40/30-27/36 40/90-9/36 40/30-45/36 40/30-63/36