Seudónimo Seudónimo
  • 26-03-2016
  • Mathematics
contestada

find the sum of 2/5 and 1/3

Respuesta :

hezekiah
hezekiah hezekiah
  • 26-03-2016
First change them to the same denominator....

2×3  6
__ = __
5×3  15

1×5   5
__  = __
3×5    15

6/15+ 5/15= 11/15.

So the sum is 11/15
Answer Link
Assyla Assyla
  • 28-03-2016
To do the problem change the denominator for both.
2/5 and 1/3
5 and 3 both have 15 as a common multiple.
5*3=15 and 3*5=15
2*3=6 and 1*5=5
6/15 plus 5/15
11/15
Answer Link

Otras preguntas

Full working out for this question please.
Pls help asap!!A bucket contains hot water at 95°c. A man wants to bath with water at 40°c. What is the ratio of the mass of hot water to the mass of cold water
Mark dropped an object from a bridge 400 feet above ground level
what are the 3 megacities?​
Which of the following describes Crosby's overall argument in the excerpt about the reason for the change in Native American populations after 1492 ? A Slavehol
Enter a recursive rule for the geometric sequence. 5, -10, 20, -40,... a^1 = __; a^n = __
Which of the following is a mineral a.pantothenic acid b.biotin c.folate d.magnesium
Rewrite 18y • 4x using the commutative property.
A rich singer has donated $450,846 to endow a university professorial chair in Bohemian Studies. If the money is invested at 12.65%, how much can be withdrawn e
Vector u has its initial point at (-7, 2) and its terminal point at (11, -5). Vector v has a direction opposite that of vector u, and its magnitude is three tim