Question

see this attachment and answer ​

Answer 1

Answer:

i) 31/6

ii) 1

Step-by-step explanation:

i) 7/6 + 12/8

sol. 7/6 + 4

     = (7 + 24)/6

     =  31/6

ii) -18/ 24 + 42/24

sol.    (-18 + 42 )/24

       = 24/24

       = 1

Answer 2

$✰✰ ANSWER ✰✰$

$( i ) \dfrac{7}{6}+\dfrac{12}{8}$

$⇝L.C.M:.2×2×3×2=24$

$⇝\dfrac{28+36}{24}$

$⇝\cancel\dfrac{64}{24}⟹\dfrac{8}{3}$

$❥\small{\boxed{\bold{\bold{\green{\sf{\dfrac{8}{3}}}}}}}$

$( ii ) \dfrac{-18}{24}+\dfrac{42}{24}$

$⇝\dfrac{-18+42}{24}$

$⇝\cancel\dfrac{24}{24}$

$❥\small{\boxed{\bold{\bold{\green{\sf{1}}}}}}$