Question

find the reciprocal of -2/3 ×5/7 +2/9 ÷ 1/3×6/7 plz answer step by step
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Answer 1

Answer:

2/21

Step-by-step explanation:

by BODMAS rule,

first we have to solve 2/9 ÷1/3, we get 2/3

then multiply -2/3×5/7 & 2/3×6/7

we get -10/21 & 4/7

now, -10/21+4/7

lcm of 21&7 is 21

so, (-10+(4×3))/21=2/21

Answer 2

Answer:

21/2

Step-by-step explanation:

-2/3*5/7+2/9÷1/3×6/7

=-2/3×5/7+2/9×3/1×6/7

=-10/21+4/7

=2/21

=21/2