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5.08 Story problems with adding and subtracting fractions

Interactive practice questions

In science class, Tom measures $9$9 fifths of a liter of a chemical and then tips out $2$2 fifths of a liter.

Complete the number sentence that describes how much chemical Tom has left.

There is $\frac{\editable{}}{5}-\frac{\editable{}}{5}$55 of a liter of chemical remaining.

Easy
< 1min

Katrina travels $5$5 eighths of a mile, has a rest, and then travels a further $15$15 eighths of a mile.

Complete the number sentence that describes how far Katrina has traveled.

Easy
< 1min

Uther is walking on a bush track, where there is a campsite $7$7 thirds of a mile along. After that, there is another campsite a further $5$5 thirds of a mile.

Complete the number sentence that describes the total distance that Uther has traveled when he reaches the second campsite.

Easy
< 1min

Kathleen purchases one and five twelfths of a kilogram of grapes and nine twelfths of a kilogram of figs.

Complete the number sentence that describes how much fruit Kathleen has bought.

Easy
< 1min
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Outcomes

4.NF.B.3

Understand a fraction a/b with a > 1 as a sum of fractions 1/b. For example, 4/5 = 1/5 +1/5 + 1/5 + 1/5.

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