2/3 + 5/7 (the common denominator is 21, the LCM of 3 and 7)
= 2*7/3*7 + 5*3/7*3
= 14/21 + 15/21
= (14 + 15)/21
= 29/21
= (21 + 8)/21
= 21/21 + 8/21
= 1 + 8/21
= 1 8/21
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5/7
5/7 ; five sevenths
The sum of 2/3 and 5/6 is 1 1/2.
The answer is 5/6.
2/7 is 10/35, 2/5 is 14/35, add these to get 24/35