Common Denominators
Multiply the denominators and numerators both by two of the fractions below
3/5 =
2/5 =
Are they still equivalent?
3/5=6/10
2/5=4/10
They are still equivalent
Is the problem below more than three?
34/59+33/59
No
2/3X2/6=A
A=4/9
Anna is making a carpet for her dollhouse. She wants the width to be 3/5 cm, and 2/5 cm for the length.
6/25 cm3
True or False
2/4>3/8
True
Make the fractions below have common denominators and put which one is bigger
3/4
4/7
21/28>16/28
2/6+4/9=X
X=4/27
2/4÷4/5=X
X=5/8
How many 3/4 pound boxes can be made from a 4 pound box?
3 3/4 pound boxes
Is this a true number sentence?
3/7=6/14
Yes
Simplify 28/6
4 2/3
3/8-2/9=X
X=27/4
3/7X4/6=A
A=2/7
Lucy has 1/3 meter of ribbon for a bow right now. If she used 4/6 earlier, how much many meters of ribbon did she have then?
1 whole meter of ribbon
3/4-2/4+1/4=X
X=1/2
Simplify (1/4+2/8-3/8)X2+1/8
1/4
2/3-3/7=X
X=5/21
6/7÷2/4=A
A=1 5/7
Alice is making a cake for the queen. It calls for 2/5 cup of sprinkles. If Alice only has 1/9 cup of sprinkles, how many cups of sprinkles will she have to buy?
She needs 13/45 cup of sprinkles.
2/3X4/6=A
A=1/4
True or False
29/39>39/487
True
5/9-(2/4+3/9)=X
5/18
3/4÷(3/4X8/9)=A
A=1 1/8
Catlyn is making a cat toy for her cat. She uses 1/4 a meter of ribbon to decorate. Later, she adds 5/6 meter of ribbon. How many meters of ribbon is on the toy?
1 1/12 meters of ribbon
Anika wants to read a Wrinkle in Time. There are 211 pages in it. She wants to read 1/14 of it every day. When will she finish and how many pages will she read per day?
She will finish in two weeks.
She will read 15 1/14 pages per day.