Add 10/12 and 84/42, Solve 10/12 + 2 0/42 as a fraction

Add 10/12 and 84/42

1^st number: 10/12, 2^nd number: 2 0/42

10/12 + 84/42 is 17/6.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
84/42 = 84 × 2/42 × 2 = 168/84
Add the two like fractions:
70/84 + 168/84 = 70 + 168/84 = 238/84
238/84 simplified gives 17/6
So, 10/12 + 84/42 = 17/6
In mixed form: 25/6

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