Subtract 9/18 from 12/4
1st number: 3 0/4, 2nd number: 9/18
12/4 - 9/18 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
12/4 = 12 × 9/4 × 9 = 108/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Subtract the two like fractions:
108/36 - 18/36 = 108 - 18/36 = 90/36 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
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