lizesbela lizesbela
  • 07-02-2018
  • Mathematics
contestada

5 1/2 - 8/5 = I need help

5 12 85 I need help class=

Respuesta :

creeds25
creeds25 creeds25
  • 07-02-2018
5 1/2 - 8/5
First convert 5 1/2 to improper fraction. 
5 1/2= (2x5+1)/2 = (10+1)/2 = 11/2
We get
11/2 - 8/5
LCD= 2 x 5 =10
Adjust with fractions.
(5x11 - 8x2) /10
(55-16)/10
=39/10

Answer: 39/10  or  In mix number form: 3 9/10
Answer Link

Otras preguntas

What was a political machine? How does it work?
Is 5x+2=5x+2 answer many solutionsdose 5x+2=2x+5 answer one solutionis 5x=5x+2 equal no solutin
A bicyclist started riding at 8:00a.m. the diagram below shows the distance the bicyclist had traveled at different times. What was the bicyclists average rate
·show me how to solve this promblem.2.7
Walker is taking a strength-training class. He hopes to increase the number of pounds that he can lift by 25% in 6 weeks. If x represents the number of pounds W
What is 2/5 plus 1/3
Christians estimates that she will spend $250 on new summer clothes.She actually spent $350. What is the percent error?Round to the nearest whole percent
find the LCD for each pair of fractions 3/4, 5/8 3/4, 1/12 1/6, 5/24 2/9, 1/6 1/4, 3/7 1/12, 7/24 2/5, 1/2 1/16, 3/8 8/9, 1/5
Macy has completed 78% of the 50 questions on the test.how many questions has Macy completed
If a rectangular poster has an area of (2x 2 − 9x + 10) square units, which of the following could describe the dimensions of the poster? A (2x − 2) units by (