Add 28/42 and 20/8, Solve 28/42 + 2 4/8 as a fraction

Add 28/42 and 20/8

1^st number: 28/42, 2^nd number: 2 4/8

28/42 + 20/8 is 19/6.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
28/42 = 28 × 4/42 × 4 = 112/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
20/8 = 20 × 21/8 × 21 = 420/168
Add the two like fractions:
112/168 + 420/168 = 112 + 420/168 = 532/168
532/168 simplified gives 19/6
So, 28/42 + 20/8 = 19/6
In mixed form: 31/6

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