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Addition and Subtraction of Dissimilar Fractions

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Addition and Subtraction of Dissimilar Fractions

I. Go ahead and Try


Find the sum and difference of the following number.
1 2 5 2
1. + = _________________ 6. + = _________________
2 5 9 3
8 1 4 2
2. 12
+ 4
= _________________ 7. 7
+ 6
= _________________
1 9 2 1
3. 12
+ 10
= _________________ 8. 3
− 6
= _________________
1 1 3 2
4. − = _________________ 9. − = _________________
2 8 4 3
8 2 8 3
5. 9
− 5 = _________________ 10. 10 − 5
= _________________

II. Go Further
Analyze and find the sum and difference of the following.
4 4 3 7
1. 8
+ 5 = _________________ 7. 12
+ 9 = _________________
4 3 4 2
2. + = _________________ 8. 2 + 3 = _________________
5 4 7 6
1 3 5
3. 3 − = _________________ 9. − = _________________
8 4 12
1 2 2 3
4. 2 − = _________________ 10. − 1 = _________________
9 5 10 5
7 3
5. Planet X is 10
of a light-year away from Earth. Planet Y is 5
of a light-year away from Earth. How
much farther away is Planet X?
_______________________________________________________________________
1 3
6. Of the houses in Ron's neighborhood, 12 are blue and another 4
are green. What fraction of the houses
are either blue or green?
_______________________________________________________________________

III. Go Extra Mile


Solve for the following word problems.
1
1. Princeton's zoo has two elephants. The male elephant weighs of a ton and the female elephant weighs
2
1
6
of a ton. How much more does the male weigh than the female?

_______________________________________________________________________
3
2. When Eva looked at her cell phone bill for the month, she saw that she had spent 4
of her minutes
2
talking to her mother and 7
of her minutes talking to her best friend. What fraction of the minutes did
Eva spend talking to either her mom or her best friend?
_______________________________________________________________________
1 5
3. Kate mailed a letter on Monday morning. The letter traveled 5 4 of a mile on Monday. It traveled 7 6
more of a mile on Tuesday, reaching its destination on Tuesday afternoon. How far did Kate's letter
travel in all?
_______________________________________________________________________
2
4. While taking inventory at his pastry shop, Vincent realizes that he had of a box of baking powder
3
1
yesterday, but the supply is now down to 12
of a box. How much more baking powder did Vincent
have yesterday?
_______________________________________________________________________
1 2
5. Of the pizzas sold last week at Chad's Pizzeria, 10
were large pizzas and 5
were extra-large pizzas.
What fraction of the pizzas sold were either large or extra-large?
_______________________________________________________________________

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