Subtract 21/36 from 9/3
1st number: 3 0/3, 2nd number: 21/36
9/3 - 21/36 is 29/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 3 × 12 = 36,
9/3 = 9 × 12/3 × 12 = 108/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Subtract the two like fractions:
108/36 - 21/36 = 108 - 21/36 = 87/36 - After reducing the fraction, the answer is 29/12
- In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/3-21/36 9/3-42/36 9/6-21/36 9/3-21/72 27/3-21/36 9/3-63/36 45/3-21/36 9/15-21/36 63/3-21/36 9/21-21/36