Question

A small bat weighs about 2/5 of an ounce. A small hummingbird weighs about 14/25 of an ounce. Explain how to find the difference in the weights of these animals

Answer 1

The difference is about
`(4)/(25)` of an ounce

Explanation:

we know that

A small bat weighs about 2/5 of an ounce

A small hummingbird weighs about 14/25 of an ounce

step 1

Multiply 2/5 by 5/5

Remember that

5/5 is 1

so

`((2)/(5))((5)/(5))=(10)/(25)`

step 2

To find the difference in the weights of these animals, subtract the weight of the small bat from the weight of the small hummingbird

`((14)/(25))-((10)/(25))`

Remember that

When subtract fractions with the same denominators, subtract the top numbers and put the answer over the same denominator

so

`((14)/(25))-((10)/(25))=(4)/(25)`

therefore

The difference is about
`(4)/(25)` of an ounce