Add 12/54 and 81/84
12/54 + 81/84 is 299/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
12/54 = 12 × 14/54 × 14 = 168/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
81/84 = 81 × 9/84 × 9 = 729/756 - Add the two like fractions:
168/756 + 729/756 = 168 + 729/756 = 897/756 - 897/756 simplified gives 299/252
- So, 12/54 + 81/84 = 299/252
In mixed form: 147/252
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