simplify 2/5+3/7+(-6/5)+(-13/7) by reasons
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0
Answer:
-53/25
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Answered by
1
Answer:
-78/35
Explanation:
2/5+3/7+(-6/5)+(-13/7)
First we will solve 2/5+3/7
Making the denominator same
LCm of 5 and 7 = 35
We know that lcm divides by the denominator than the answer get multiplied by numerator
So, 5÷ 35 = 7 and 7÷ 35= 5
Than 7×2 and 5× 3
=14/35 + 15/35 = 29/35
Now, We will solve (-6/5)+(-13/7)
making denominator same
=LCM = 35
=5÷ 35 = 7 and 7÷ 35= 5
= 7×6 = 42 and 5×13= 65
So, (-42/35)+(-65/35)= - 107/35
29/35+(-107/35)
= -78/35
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