What is the sum or difference of 5/7 - 1/3

1 answer:

7 0

ANSWER: 8/21

Step:
1. Find the GCF (Greatest Common Factor)
The two denominator which is the bottom number have to be the same ALWAYS when adding and subtracting the fraction. So to find the GCF, you keep multiplying until you see the same number, only use the bottom number to find the GCF
7: 7, 14, 21, 28
3: 3, 6, 9, 12, 15, 18, 21, 24, 27
GCF= 21

2. 5/7 -1/3
Multiple both to get 21
5/7 x 3/3 = 15/21
1/3 x 7/7 = 7/21

3. Sove
15/21 - 7/21
= 8/21

You might be interested in

Carlos kept track of how much cereal he ate for two months and found that he ate 208 ounces of cereal in that time. How many pou

kifflom [539]

Answer:

13 pounds

Step-by-step explanation:

if its wrong then-

3 0

2 years ago

You originally draw a design for an art contest on a 2 in. x 5 in. card. The second phase of the contest requires the drawing to

pentagon [3]

The correct answer is: 
4.2 inches.

Explanation: 
We use the size of the largest dimension of the reproduction to find the scale factor. The largest dimension of the original drawing was 5 inches.
The largest dimension of the reproduction is 11 inches.

To find the scale factor, divide: 
 $\frac{11}{5}$ =2.1.

Since the scale factor is 2.1, to find the smallest dimension of the reproduction we multiply the original by 2.1:
2*2.1=4.2 inches.

4 0

2 years ago

Read 2 more answers

Sandy is driving cross country. She has covered 200 miles from the east coast towards the west coast. She has driven this distan

lilavasa [31]

Okay so here it is

the answer is M=100D + 200

Why?

because 200miles divided by 2 days is 100 so every day she drives 100 miles which means you would times the days by 100 miles and since you have already gone 200 miles it would be

m=100d+ 200

hope this helps

7 0

3 years ago

In a recent household telephone survey of 2,550 adults in a certain country, 27% reported that they own at least one gun. The re

STatiana [176]

Answer

option D

Step-by-step explanation:

The population of interest to the research is the set of all gun ownership status (yes/no) values for all adults in the country. Or all total adults in a country including those that own a gym or not. This is the population of interest. The sample is the 2550 individuals adults surveyed in the household telephone survey.

4 0

2 years ago

The area of the kite is 48cm squared what are the lengths of the diagonals

Anika [276]

We see from the attached, that kite area = product of the diagonals / 2
The diagonals could be 12 by 8 or
6 by 16 or
3 by 32, etc
It cannot be narrowed down any further.

5 0

3 years ago