Verified Answer :

Billymkhoi

The word "sum" means that we have to add.

3/4 + 18/19 (least common denominator= 76)
= 57/76+ 72/76
= 129/76
= 1 53/76.

The sum of 3/4 and 18/19 is 1 53/76~

3/4+18/19
LCM of 4 and 19 is 76
Then multiply 3 by 19 and 18 by 4 and add it
(57+72)/76
(129)/76= 1.697

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