Question

add rational number 15 by -7 and 7 by 3​

Answer 1

Answer:

0.19047619047

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AC

7

8

9

÷

4

5

6

×

1

2

3

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0

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=

+

Rad

Deg

x!

Inv

sin

ln

π

cos

log

e

tan

√

Ans

EXP

xy

=

123

Fx

Answer 2

Answer:

$\frac{4}{21}$

Step-by-step explanation:

$\frac{15}{-7} + \frac{7}{3}$

=> $\frac{-15}{7} + \frac{7}{3}$

(LCM OF 7 AND 3 = 21)

=> $\frac{-45}{21} + \frac{49}{21}$

=> $\frac{-45+49}{21}$

=> $\frac{4}{21}$