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Word Problems on Addition and Subtraction of Fraction

Question...
Mr. Castillo works in a furniture shop. He cut 12---1/2 dm of wood from a 15-1/4 dm of wood for his table frame.
How long was the piece of wood left?

Sagot :

3.75 minus 3.5=0.25
because we simplify each other and minus the sum and the difference.

Charlenesillarviz
12 1/2 =  12 2/4
15 1/4 =  15 1/4

15 1/4 - 12 2/4 = 2 3/4 was the piece of wood left.

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