Add 27/7 and 36/9, Solve 3 6/7 + 4 0/9 as a fraction

Add 27/7 and 36/9

1^st number: 3 6/7, 2^nd number: 4 0/9

27/7 + 36/9 is 55/7.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 7 × 9 = 63,
27/7 = 27 × 9/7 × 9 = 243/63
Likewise, for the 2nd fraction, since 9 × 7 = 63,
36/9 = 36 × 7/9 × 7 = 252/63
Add the two like fractions:
243/63 + 252/63 = 243 + 252/63 = 495/63
495/63 simplified gives 55/7
So, 27/7 + 36/9 = 55/7
In mixed form: 76/7

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