Add 18/3 and 90/14, Solve 6 0/3 + 6 6/14 as a fraction

Add 18/3 and 90/14

1^st number: 6 0/3, 2^nd number: 6 6/14

18/3 + 90/14 is 87/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
18/3 = 18 × 14/3 × 14 = 252/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
90/14 = 90 × 3/14 × 3 = 270/42
Add the two like fractions:
252/42 + 270/42 = 252 + 270/42 = 522/42
522/42 simplified gives 87/7
So, 18/3 + 90/14 = 87/7
In mixed form: 123/7

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