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Rational Numbers
Compute each of the following problems with rational numbers. Try using visual models to help with the computation.

A) -5/7 + 4/5

B) (3 1/3) x (-2/5

HELP ASAP PLEASE ILL NAME YOU BRAINLIEST!!!!!!

Respuesta :

Answer:

See below in bold.

Step-by-step explanation:

A) - 5/7 + 4/5

LCM of 7 and 5 is 35 so we have

-5/7 * 5/5 + 4/5 * 7/7

-25/35 + 28/35

= 3/35.

B) (3 1/3) * -2/5

= 10/3 * -2/5

= 20/-15

= -1 1/3.

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