Add 30/28 and 18/42, Solve 1 2/28 + 18/42 as a fraction

Add 30/28 and 18/42

1^st number: 1 2/28, 2^nd number: 18/42

30/28 + 18/42 is 3/2.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
30/28 = 30 × 3/28 × 3 = 90/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
18/42 = 18 × 2/42 × 2 = 36/84
Add the two like fractions:
90/84 + 36/84 = 90 + 36/84 = 126/84
126/84 simplified gives 3/2
So, 30/28 + 18/42 = 3/2
In mixed form: 11/2

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