Vietboyalex Vietboyalex
  • 24-03-2015
  • Mathematics
contestada

Which is the difference of 21 1/4 - 18 2/4
A 2 1/4 B 2 2/4 C 2 3/4 D 3 1/4

Respuesta :

Madz0000
Madz0000 Madz0000
  • 24-03-2015
So when you change the mixed numbers into improper fractions, they become 85/4 and 74/4. Your new problem is 85/4-74/4. Basically 85-74. That equals 9. So the improper fraction answer is 9/4. We now make that back into a mixed number, creating 2 1/4, or A.
Answer Link

Otras preguntas

Harold's old school has 52 sixth graders and 39 seventh graders, what's the ratio of 6th graders to 7th graders in simplest form? (:
Nathan correctly answered 17 of the 20 questions on the test. What percent of the question did Nathan answer correctly?
Solve for " x " --- 20/x = 4/9 ? explain. (:
in an A.P,the sum of first ten terms is -150 and the sum of next 10 terms is -550.Find the A.P
How can you tell 7/10 is greater than 1/2
The area of a triangle is 6.75 m to the 2 power.  If the base of the triangle is 3 m, what is the height of the triangle?
_____ Na3PO4 + _____ KOH   arrow  _____ NaOH + ___________K3PO4How do I balance this equation?
Do you think you can accurately determine a person's genotype by observing his or her phenotype?
After sales tax is added the total cost of a $58 purchase $61.48 what is the sales tax rate on the purchase?
Explain two problems that Texans tried to solve after winning independence