Question

Simplify the following without the use of a calculator

1 3/7 + (2 3/5)^2 - 2 1/2
use a "/" symbol for fractions for example, 5/6. write the answer as an improper fraction

Answer 1

1. Exponentiate


`(10)/(7) + ((13)/(5))^(2) - (5)/(2) = \\ \\ \\`

2. Find common denominator (Its 350):


`(10*50)/(7*50) + (169*14)/(25*14) - (5*175)/(2*175) = \\ \\ \\`

3. Count operation in fractions:


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4. Solve


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So answer is 1991/350 =
5 241/350