xxiiSavaiixx
xxiiSavaiixx xxiiSavaiixx
  • 12-02-2018
  • Mathematics
contestada

Why do fractions need to have a common denominator before you add or subtract them?




Best answer I’ll mark as brainliest

Respuesta :

car42 car42
  • 12-02-2018
It’s so that the number of the pieces that you add or subtract is all the same size
Answer Link

Otras preguntas

Is it true that Organisms need water, vitamins and minerals. But they do not need salt to function.
1. Think about the themes that are developed and emerge through the characters and events in the novel. Is The Cay a story that is mostly about relationships or
Write the number of the state on the map next to its name below plz help
If one jar of glue weighs 1/12 pound, how many jars can Rickie getfrom 2/3 pound if glue?
check my answer? what are the real and imaginary parts of the complex number? -7+8i the real part :: -7 ( my answer ) the imaginary part :: 8i ( my answer )
Y= -2x-9 in standard form
When x = 12, y = 36. When x = 3, y = 9. What is the constant of proportionality? Enter your answer in the box.
4. Susan is detaching for a new apartment . Her month salary is 1,800, and she wants to spend no more the 35% of her budget on rent . What is the maximum amoun
During which period did the first land vertebrates appear? A. Devonian B. Mississippian C. Pennsylvanian D. Permian
Hydrogen peroxide will decompose if the bottle is left open, and the resulting release of energy will heat up the solution. Which of the following best describe