Add 6/21 and 80/42, Solve 6/21 + 1 38/42 as a fraction

Add 6/21 and 80/42

1^st number: 6/21, 2^nd number: 1 38/42

6/21 + 80/42 is 46/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
6/21 = 6 × 2/21 × 2 = 12/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
80/42 = 80 × 1/42 × 1 = 80/42
Add the two like fractions:
12/42 + 80/42 = 12 + 80/42 = 92/42
92/42 simplified gives 46/21
So, 6/21 + 80/42 = 46/21
In mixed form: 24/21

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