Math Drills
Subtracting Fractions (Word Problems and Applications)
A-2Word Problems (Finding the Difference)
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What this worksheet covers
- Worksheet
- Subtracting Fractions (Word Problems and Applications)
The lesson runs on word problems alone. Pairs where one denominator divides the other and the common denominator comes easily, pairs asking for the difference between two amounts, pairs recovering the smaller amount from the larger and the difference, and pairs taking a proper fraction from a mixed number with a borrow, are all lined up, with two-stage questions mixed in.
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In a question asking for the smaller amount, the answer never passes the larger amount given in the writing. Add the difference instead of subtracting it and a figure appears that has overtaken that larger amount. This is the pattern of drifting into addition on the strength of the words longer or heavier alone.
Subtracting 3 Fractions returns to expressions and raises the fractions being taken away from one to two. This lesson is where the way of subtracting learned from expressions gets set back into scenes, all at once.
- Unlike Denominators (Finding the Difference)1 question
- Comparing and Working Backwards2 questions
- Unlike Denominators (Mixed Numbers)2 questions
Questions & answers
Problems and answers on this worksheet
These are the problems in “Fraction Subtraction and Mixed Operations”, shown with their answers.
(1)The white tape is 9/11m, and the red tape is 3/4m. What is the difference in how many m? Answer □
Answer: 3/44m
(2)The thick wire is 3/11m longer than the thin wire. The thick wire is 7/8m. How many m is the thin wire? Answer □
Answer: 53/88m
(3)The big bucket is 4/9L more than the small bucket. The big bucket is 10/11L. How many L is the small bucket? Answer □
Answer: 46/99L
(4)There was 4 2/9L of oil. You used 2/3L. How many L are left? Answer □
Answer: 3 5/9L
(5)There was 3 3/7L of oil. You used 4/9L. How many L are left? Answer □
Answer: 2 62/63L
What to do next
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