Sums of Fractions
Add the fractions.
3/9 +4/9 =
7/9
4 and 7/9 - 2 and 3/9
2 and 4/9
9/10-6/10
3/10
Find the sum of 1 and 2/4 and 3 and 3/4
5 and 1/4
Find the difference of 5/6 and 3/6
2/6
Count on from 4/7 to find the sum of 4/7 +3/7
7/7 or 1
Which of these sums are equal
to 6/7 ?
Select all that apply.
a. 1/7 + 1/7 +3/7 +1/7
b. 1/7 +4/7 +2/7
c. 1/7 +2/7 +1/7 +2/7
a. 1/7 + 1/7 +3/7 +1/7
c. 1/7 +2/7 +1/7 +2/7
Maria drinks 6/8 of a bottle of water.
Write an equation to show how
much water is left in the bottle.
8/8 - 6/8= 2/8
Find the difference. 6/7 - 3/7
3/7
Dave walks 2/5 kilometer to school
each morning. He walks the same
distance home after school each
afternoon. How far does Dave
walk to get to school and back?
4/5
Subtract 3 and 5/6 and 1 and 1/6
2 and 4/6
Write 21/8 as a mixed number
2 and 5/8
Write 3 and 2/5 as an equivalent improper fraction.
17/5
Write 5/6 as a sum of unit fractions.
1/6 +1/6+1/6+1/6+1/6
Chelsea says that to add fractions with like
denominators, you add the numerators and then you
add the denominators. Is Chelsea correct? Explain.
No, you add the numerator and keep the denominator.
Kate uses 3 and 2/5 yards of fabric for an art project.
Amy uses 16/5 yards. Who uses more fabric? Explain.
Kate, rewriting 3 and 2/5 as 17/5 and comparing it to 16/5 or rewriting 16/5 as 3 and 1/5 and comparing it to 3 and 2/5.
Juan says 5 and 1/8 - 3 and 7/8 is 2 and 6/8. Is Juan correct?
No, 5 and 1/8=41/8 and 3 and 7/8= 31/8. Subtract 41/8- 31/8= 10/8 or 1 and 2/8
Ben writes 6 and 2/5 as 17/5. is Ben correct? Explain.
No, it would actually equal 32/5
Write 5/8 as the sum of three fractions.
2/8+2/8+1/8