SUBTRACTION
SOLVING WORD PROBLEMS INVOLVING SUBTRACTION OF FRACTIONS
Problem:
Mrs. Susan bought 1/8 m of curtain cloth. She used 3/5 m to make a curtain for the living room window. How many meters of cloth were not used?
Solution:
Asked:
Size of cloth that were not used
Given:
The given facts are:
- 3/5 meters used for making a curtain
- 1/8 meters of curtain cloth
Operation:
Subtraction was needed to be used to determine the size of cloth that were not used.
Mathematical sentence:
[tex]\dfrac{3}{5}-\dfrac{1}{8}[/tex]
Solution:
[tex]\dfrac{3}{5}-\dfrac{1}{8} = \dfrac{24-5}{40} = \boxed{\dfrac{19}{40}}[/tex]
Answer:
There are 19/40 m of cloth that were not used.
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