Add 40/42 and 7/9, Solve 40/42 + 7/9 as a fraction

Add 40/42 and 7/9

40/42 + 7/9 is 109/63.

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,
7/9 = 7 × 14/9 × 14 = 98/126
Add the two like fractions:
120/126 + 98/126 = 120 + 98/126 = 218/126
218/126 simplified gives 109/63
So, 40/42 + 7/9 = 109/63
In mixed form: 146/63

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