Question

-2 1/3 + 4 3/5 = ?
( Rational Numbers Class 7)

Answer 1

Answer:

$- 2 \frac{1}{3} + 4 \frac{3}{5} \\ \frac{ - 7}{3} + \frac{23}{5}$

Here we've to Take L.C.M

here,L.C.M=(5×3)=15

$\frac{ - 7 \times 5}{3 \times 5} \\ + \\ \frac{23 \times 3}{5 \times 3} \\ \frac{ - 35}{15} + \frac{69}{15} \\ = \frac{ - 35 + 69}{15} \\ = \frac{34}{15}$

hope it helps

Answer 2

Answer:

2 4/15

Step-by-step explanation:

-2 1/3 = -7/3

4 3/5 = 23/5

Now on adding,

(-7/3) + (23/5)

= {(-7*5) + (23*3)}/15 ; lcm of denominators 3 and 5 is 15

= 34/15

= 2 4/15