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  • Roma gave a wooden board of length 150\frac{1}{4} cm to a carpenter for making a shelf. The Carpenter sawed off a piece of 40\frac{1}{5} cm from it. What is the length of the remaining piece?

Roma gave a wooden board of length 150\frac{1}{4} cm to a carpenter for making a shelf. The Carpenter sawed off a piece of 40\frac{1}{5} cm from it. What is the length of the remaining piece?

Answers (1)

Length of a wooden board = =150 \frac{1}{4} \mathrm{~cm}=\frac{601}{4} \mathrm{~cm}
Length of sawed off piece = =40 \frac{1}{5} \mathrm{~cm}=\frac{201}{5} \mathrm{~cm}
Length of the remaining piece = =\left(\frac{601}{4}-\frac{201}{5}\right) \mathrm{cm}

LCM of 4,5 = 20

=\left(\frac{601 \times 5-201 \times 4}{20}\right) \mathrm{cm}

=\left(\frac{3005}{20}-\frac{804}{20}\right) \mathrm{cm}

=\frac{2201}{20} \mathrm{~cm}

=110 \frac{1}{20} \mathrm{~cm}

Posted by

Ravindra Pindel

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