Question

add the following 1by 10 by 7 and 8 by 9​

Answer 1

Answer:

1 by(+) 10=11 by(+) 7=18

8 by(+) 9=17

This is ur answer

Hope this helps

Answer 2

Answer:

• 15.89(approx)

Step-by-step explanation:

• 1/10/7+8/9
• 1×7/10+8/9
• 7/10+8/9
• LCM of 10 and 9 will be = 90
• {(7×9)+(8×10)}/9
• (63+80)/9
• 143/9
• 15.89(approx)