Add 14/21 and 18/27
14/21 + 18/27 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
14/21 = 14 × 9/21 × 9 = 126/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
18/27 = 18 × 7/27 × 7 = 126/189 - Add the two like fractions:
126/189 + 126/189 = 126 + 126/189 = 252/189 - 252/189 simplified gives 4/3
- So, 14/21 + 18/27 = 4/3
In mixed form: 11/3
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