Subtract 18/12 from 30/9
1st number: 3 3/9, 2nd number: 1 6/12
30/9 - 18/12 is 11/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
30/9 = 30 × 4/9 × 4 = 120/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
18/12 = 18 × 3/12 × 3 = 54/36 - Subtract the two like fractions:
120/36 - 54/36 = 120 - 54/36 = 66/36 - After reducing the fraction, the answer is 11/6
- In mixed form: 15/6
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