Add 40/84 and 7/9, Solve 40/84 + 7/9 as a fraction

Add 40/84 and 7/9

40/84 + 7/9 is 79/63.

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,
40/84 = 40 × 3/84 × 3 = 120/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
7/9 = 7 × 28/9 × 28 = 196/252
Add the two like fractions:
120/252 + 196/252 = 120 + 196/252 = 316/252
316/252 simplified gives 79/63
So, 40/84 + 7/9 = 79/63
In mixed form: 116/63

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