Simply.

-2/5 + 4/3

Show work.

14/15

Step-by-step explanation:

Find common denominators. Note that what you do to the denominator, you do to the numerator.

Use 15 as the common denominator:

(-2/5)(3/3) = (-6/15)

(4/3)(5/5) = (20/15)

Combine like terms:

-6/15 + 20/15 = (20 - 6)/15 = 14/15

14/15 is your answer.

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3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2