Add 4/21 and 42/18, Solve 4/21 + 2 6/18 as a fraction

Add 4/21 and 42/18

1^st number: 4/21, 2^nd number: 2 6/18

4/21 + 42/18 is 53/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 21 × 6 = 126,
4/21 = 4 × 6/21 × 6 = 24/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
42/18 = 42 × 7/18 × 7 = 294/126
Add the two like fractions:
24/126 + 294/126 = 24 + 294/126 = 318/126
318/126 simplified gives 53/21
So, 4/21 + 42/18 = 53/21
In mixed form: 211/21

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