Add 84/42 and 7/49, Solve 2 0/42 + 7/49 as a fraction

Add 84/42 and 7/49

1^st number: 2 0/42, 2^nd number: 7/49

84/42 + 7/49 is 15/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 42 × 7 = 294,
84/42 = 84 × 7/42 × 7 = 588/294
Likewise, for the 2nd fraction, since 49 × 6 = 294,
7/49 = 7 × 6/49 × 6 = 42/294
Add the two like fractions:
588/294 + 42/294 = 588 + 42/294 = 630/294
630/294 simplified gives 15/7
So, 84/42 + 7/49 = 15/7
In mixed form: 21/7

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