Question

(a) 2/3 + 1/7

(b) 3/10 + 7/15
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Answer 1

Answer:

(a) 2/3+1/7

14/21+3/21=

17/21

Answer 2

Step-by-step explanation:

2/3+1/7

= 14/21+ 3/21 by lcm

17/21

3/10+ 7/15

9/30+14/30

= 23/30