Subtract 30/36 from 21/9
1st number: 2 3/9, 2nd number: 30/36
21/9 - 30/36 is 3/2.
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,
21/9 = 21 × 4/9 × 4 = 84/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
30/36 = 30 × 1/36 × 1 = 30/36 - Subtract the two like fractions:
84/36 - 30/36 = 84 - 30/36 = 54/36 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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