Seudónimo Seudónimo
  • 01-02-2016
  • Mathematics
contestada

What is the sum of 2/5 and 2/4?
a. 9/10
b. 6/7
c. 10/20
d. 8/20

Respuesta :

flaviasweet67
flaviasweet67 flaviasweet67
  • 01-02-2016
the sum is:
2/5+2/4=
2/5+2/4÷20=
8+10/20
=18/20
9/10
hope u found it useful
Answer Link
unicorn3125
unicorn3125 unicorn3125
  • 01-02-2016
[tex] \frac{2}{5} + \frac{2}{4}=\frac{2\cdot4}{5\cdot4} + \frac{2\cdot5}{4\cdot5}=\frac{8}{20} + \frac{10}{20}= \frac{8+10}{20}=\frac{18}{20}=\frac{9\cdot2}{10\cdot2}=\frac{9}{10} [/tex]
Answer Link

Otras preguntas

Tell whether the set is closed under the operation indicated.If not closed, provide a counterexample.1.) integers under addition                            2.)
Find each sum or difference? Do u just work the problem out and put the answer down?
What is the range of numbers along the lines of longitude
Which passage is chronological???
What is the reason for cleaning dishes, utensils, and food preparation surfaces?
An input of energy is required to maintain the complexity of living systems. T/F? please explain
To transform a plant, scientists inject DNA into a plant leaf. TRUE OR FALSE?
What is 25% of 6??? Is it 1.5?
What are the (3) most common elements that bond together to form organic compounds?
36 is what percent less than 48?