Add 28/63 and 12/27
28/63 + 12/27 is 8/9.
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,
28/63 = 28 × 3/63 × 3 = 84/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
12/27 = 12 × 7/27 × 7 = 84/189 - Add the two like fractions:
84/189 + 84/189 = 84 + 84/189 = 168/189 - 168/189 simplified gives 8/9
- So, 28/63 + 12/27 = 8/9
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