Question

Simplify: 2/3+-4/5+ 7/15+-11/20

(a)-1/5

(b)-13/60

(c)-4/15

(d) - 7/30

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Answer 1

Answer:

2/3+-4/5+ 7/15+-11/20

(a)-1/5

(b)-13/60

(c)-4/15

(d) - 7/30

Answer 2

Answer:

2/3-4/5+ 7/5 - 11/20

= -13/60

b.