Subtract 3/12 from 30/18
1st number: 1 12/18, 2nd number: 3/12
30/18 - 3/12 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
30/18 = 30 × 2/18 × 2 = 60/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
3/12 = 3 × 3/12 × 3 = 9/36 - Subtract the two like fractions:
60/36 - 9/36 = 60 - 9/36 = 51/36 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
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