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Help Add or subtract a) 2/5+1/5 b) 2/3+5/7 c) 1/9-2/7

Help Add or subtract a) 2/5+1/5 b) 2/3+5/7 c) 1/9-2/7
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3 votes
Help
Add or subtract
a) 2/5+1/5
b) 2/3+5/7
c) 1/9-2/7

User Ajay Sivan
by
7.8k points

2 Answers

2 votes
a) 3/5
b) 29/21
c) -11/63
User Cory Danielson
by
7.8k points
3 votes

Answer:

a. 3/5 b. 29/21 c. -11/63

Explanation:

maths

User Nev
by
8.0k points
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