Add 12/81 and 20/63
12/81 + 20/63 is 88/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 63 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
12/81 = 12 × 7/81 × 7 = 84/567 - Likewise, for the 2nd fraction, since 63 × 9 = 567,
20/63 = 20 × 9/63 × 9 = 180/567 - Add the two like fractions:
84/567 + 180/567 = 84 + 180/567 = 264/567 - 264/567 simplified gives 88/189
- So, 12/81 + 20/63 = 88/189
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