Add 40/42 and 6/9, Solve 40/42 + 6/9 as a fraction

Add 40/42 and 6/9

40/42 + 6/9 is 34/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
40/42 = 40 × 3/42 × 3 = 120/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
6/9 = 6 × 14/9 × 14 = 84/126
Add the two like fractions:
120/126 + 84/126 = 120 + 84/126 = 204/126
204/126 simplified gives 34/21
So, 40/42 + 6/9 = 34/21
In mixed form: 113/21

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