Add 84/18 and 15/12
1st number: 4 12/18, 2nd number: 1 3/12
84/18 + 15/12 is 71/12.
Steps for adding 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,
84/18 = 84 × 2/18 × 2 = 168/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
15/12 = 15 × 3/12 × 3 = 45/36 - Add the two like fractions:
168/36 + 45/36 = 168 + 45/36 = 213/36 - 213/36 simplified gives 71/12
- So, 84/18 + 15/12 = 71/12
In mixed form: 511/12
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