Add 84/54 and 4/12
1st number: 1 30/54, 2nd number: 4/12
84/54 + 4/12 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
84/54 = 84 × 2/54 × 2 = 168/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
4/12 = 4 × 9/12 × 9 = 36/108 - Add the two like fractions:
168/108 + 36/108 = 168 + 36/108 = 204/108 - 204/108 simplified gives 17/9
- So, 84/54 + 4/12 = 17/9
In mixed form: 18/9
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