Subtract 3/36 from 18/9
1st number: 2 0/9, 2nd number: 3/36
18/9 - 3/36 is 23/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
18/9 = 18 × 4/9 × 4 = 72/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
3/36 = 3 × 1/36 × 1 = 3/36 - Subtract the two like fractions:
72/36 - 3/36 = 72 - 3/36 = 69/36 - After reducing the fraction, the answer is 23/12
- In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9-3/36 18/9-6/36 18/9-3/72 54/9-3/36 18/9-9/36 18/27-3/36 90/9-3/36 18/9-15/36 18/45-3/36 18/9-21/36 18/63-3/36