Add 42/9 and 18/42, Solve 4 6/9 + 18/42 as a fraction

Add 42/9 and 18/42

1^st number: 4 6/9, 2^nd number: 18/42

42/9 + 18/42 is 107/21.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 9 × 14 = 126,
42/9 = 42 × 14/9 × 14 = 588/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
18/42 = 18 × 3/42 × 3 = 54/126
Add the two like fractions:
588/126 + 54/126 = 588 + 54/126 = 642/126
642/126 simplified gives 107/21
So, 42/9 + 18/42 = 107/21
In mixed form: 52/21

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