Add 3/4 and 9/12
3/4 + 9/12 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
3/4 = 3 × 3/4 × 3 = 9/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
9/12 = 9 × 1/12 × 1 = 9/12 - Add the two like fractions:
9/12 + 9/12 = 9 + 9/12 = 18/12 - 18/12 simplified gives 3/2
- So, 3/4 + 9/12 = 3/2
In mixed form: 11/2
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