Add 12/54 and 21/81
12/54 + 21/81 is 13/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 54 × 3 = 162,
12/54 = 12 × 3/54 × 3 = 36/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
21/81 = 21 × 2/81 × 2 = 42/162 - Add the two like fractions:
36/162 + 42/162 = 36 + 42/162 = 78/162 - 78/162 simplified gives 13/27
- So, 12/54 + 21/81 = 13/27
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