Add 30/42 and 72/28, Solve 30/42 + 2 16/28 as a fraction

Add 30/42 and 72/28

1^st number: 30/42, 2^nd number: 2 16/28

30/42 + 72/28 is 23/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 42 × 2 = 84,
30/42 = 30 × 2/42 × 2 = 60/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
72/28 = 72 × 3/28 × 3 = 216/84
Add the two like fractions:
60/84 + 216/84 = 60 + 216/84 = 276/84
276/84 simplified gives 23/7
So, 30/42 + 72/28 = 23/7
In mixed form: 32/7

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