Question

Simplify the following.
Chapter. Rational numbers
Please help me doing this question. ​

Answer 1

Answer:

this is your answer:-)

Answer 2

Answer:

Hey!

b) Firstly make their denominator same

Solved:

Explanation:

• 1/8 x 9/9 = 9/72
• 7/12 x 6/6 =  42/72  
• -2/9 x 8/8 =  -16/72

Now all rational numbers have same denominator:

= 9/72 + 42/72 -16/72

= 35/72

done was very simple!

try d) yourself by understanding

:))