Add 18/21 and 98/27, Solve 18/21 + 3 17/27 as a fraction

Add 18/21 and 98/27

1^st number: 18/21, 2^nd number: 3 17/27

18/21 + 98/27 is 848/189.

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,
18/21 = 18 × 9/21 × 9 = 162/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
98/27 = 98 × 7/27 × 7 = 686/189
Add the two like fractions:
162/189 + 686/189 = 162 + 686/189 = 848/189
So, 18/21 + 98/27 = 848/189
In mixed form: 492/189

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