Add 70/84 and 6/9, Solve 70/84 + 6/9 as a fraction

Add 70/84 and 6/9

70/84 + 6/9 is 3/2.

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,
70/84 = 70 × 3/84 × 3 = 210/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
6/9 = 6 × 28/9 × 28 = 168/252
Add the two like fractions:
210/252 + 168/252 = 210 + 168/252 = 378/252
378/252 simplified gives 3/2
So, 70/84 + 6/9 = 3/2
In mixed form: 11/2

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