Add 14/21 and 42/27, Solve 14/21 + 1 15/27 as a fraction

Add 14/21 and 42/27

1^st number: 14/21, 2^nd number: 1 15/27

14/21 + 42/27 is 20/9.

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,
42/27 = 42 × 7/27 × 7 = 294/189
Add the two like fractions:
126/189 + 294/189 = 126 + 294/189 = 420/189
420/189 simplified gives 20/9
So, 14/21 + 42/27 = 20/9
In mixed form: 22/9

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