Question

A ribbon is 7
5
metre long. One piece of length 5
2
15
metre is cut. What is the length of the
remaining ribbon?​

Answer 1

Answer:

$\frac{75}{1} - \frac{77}{15} \\ = \frac{15 \times 75 - 1 \times 77}{15} \\ = \frac{1125 - 77}{15} \\ = \frac{1048}{15} = 69 \ \frac{13}{15} m \: ribbon \: remaining$

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