Equivalent Fractions
What is the least common denominator for 1/5 and 2/4?
20
Mrs. Brooks is making ornaments for the whole class she has to use 8/9 piece of blue ribbon, 1/2 piece of red ribbon, and 9/11 piece of glitter ribbon. Order the ribbon from least to greatest.
red, glitter, blue
1/2, 9/11, 8/9
Write 4 equivalent fractions for 1/5
2/10, 3/15, 4/20, 5/25, etc
What is the least common denominator for 2/6 and 5/12?
12
Adam drew two same size rectangles and divided them into the same number of equal parts. He shaded 1/3 of one rectangle and 1/4 of the other rectangle. What is the least number of parts into which both rectangles could be divided?
12 parts
Is 4/5 > 2/3
YES
What is the least common denominator for 3/10 and 1/3?
30
Jerry has two same sized circles divided into the same number of equal parts. One circle has 3/4 of the parts shaded, and the other has 2/3 of the parts shaded. His sister says the least number of pieces each circle could be divided into is 7. Is his sister correct? EXPLAIN
No, because 7 is not a common multiple of 4 and 3. The least common multiple of 3 and 4 is 12. So the least number of pieces each circle could be divided into is 12.
write an equalvalent fraction for 4/8
1/2, 6/12, 5/10, 20/40 etc
What is the least common denominator for 5/6 and 15/16?
48
Meghan and Sarah entered a pizza-making contest. Sarah's pepperoni pizza was cut into 10 equal slices and Meghan's mushroom pizza was cut into 16 slices. At the end of the contest, 7 slices of Sarah's pizza were eaten and 8 slices of Meghan's pizza were eaten. Who had the biggest fraction of their pie eaten?
Sarah
1/2 > 3/4
True or false?
false
72
Juan's three math quizzes this week took him 1/3 hour, 4/6 hour, and 1/5 hour to complete. List the lengths in time in order from least to greatest.
1/5, 1/3, 4/6
2/5 = /20
8