(3/13 +8/13) + 1/3
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Answer:
(3/13 +8/13) + 1/3
= {(3+8)/13} + 1/3 (13 is the lcm )
= 11/13 + 1/3
= (11×3 + 1× 13) /39 (39 is the lcm of 13,3)
= (33+13) /39
= 46/39
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