What does it mean when it says to estimate the sum or difference? in a math problem: 6/7+3/8 and 4/5+2 7/8.

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72