Add 84/4 and 12/9
1st number: 21 0/4, 2nd number: 1 3/9
84/4 + 12/9 is 67/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
84/4 = 84 × 9/4 × 9 = 756/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
12/9 = 12 × 4/9 × 4 = 48/36 - Add the two like fractions:
756/36 + 48/36 = 756 + 48/36 = 804/36 - 804/36 simplified gives 67/3
- So, 84/4 + 12/9 = 67/3
In mixed form: 221/3
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