Add 16/27 and 45/21, Solve 16/27 + 2 3/21 as a fraction

Add 16/27 and 45/21

1^st number: 16/27, 2^nd number: 2 3/21

16/27 + 45/21 is 517/189.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
16/27 = 16 × 7/27 × 7 = 112/189
Likewise, for the 2nd fraction, since 21 × 9 = 189,
45/21 = 45 × 9/21 × 9 = 405/189
Add the two like fractions:
112/189 + 405/189 = 112 + 405/189 = 517/189
So, 16/27 + 45/21 = 517/189
In mixed form: 2139/189

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