Add 28/84 and 15/9, Solve 28/84 + 1 6/9 as a fraction

Add 28/84 and 15/9

1^st number: 28/84, 2^nd number: 1 6/9

28/84 + 15/9 is 2/1.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 84 × 3 = 252,
28/84 = 28 × 3/84 × 3 = 84/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
15/9 = 15 × 28/9 × 28 = 420/252
Add the two like fractions:
84/252 + 420/252 = 84 + 420/252 = 504/252
504/252 simplified gives 2/1
So, 28/84 + 15/9 = 2/1

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