Add 18/63 and 12/27
18/63 + 12/27 is 46/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 63 × 3 = 189,
18/63 = 18 × 3/63 × 3 = 54/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
12/27 = 12 × 7/27 × 7 = 84/189 - Add the two like fractions:
54/189 + 84/189 = 54 + 84/189 = 138/189 - 138/189 simplified gives 46/63
- So, 18/63 + 12/27 = 46/63
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