Add 10/42 and 50/21, Solve 10/42 + 2 8/21 as a fraction

Add 10/42 and 50/21

1^st number: 10/42, 2^nd number: 2 8/21

10/42 + 50/21 is 55/21.

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

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
10/42 = 10 × 1/42 × 1 = 10/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
50/21 = 50 × 2/21 × 2 = 100/42
Add the two like fractions:
10/42 + 100/42 = 10 + 100/42 = 110/42
110/42 simplified gives 55/21
So, 10/42 + 50/21 = 55/21
In mixed form: 213/21

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