Ramesh had 20 pencils, Sheelu had 50 pencils and Jamaal had 80 pencils. After 4 months, Ramesh used up 10 pencils, Sheelu used up 25 pencils and Jamaal used up 40 pencils. What fraction did each use up? Check if each has used up an equal fraction of her/his pencils?
Answer:
Ramesh had total of 20 pencils.
He used 10 pencils out of 20 pencils.
Fraction of used pencils
Sheelu had total of 50 pencils.
She used 25 pencils out of 50 pencils.
Fraction of used pencils
Jamaal had total of 80 pencils.
He used 40 pencils out of 80 pencils.
Fraction of used pencils
We will reduce each fraction to the simplest form.
H.C.F of 10 and 20 is 10. Therefore, we will divide both numerator and denominator of
by 10.
H.C.F of 25 and 50 is 25. Therefore, we will divide both numerator and denominator of
by 25.
H.C.F of 40 and 80 is 40. Therefore, we will divide both numerator and denominator of
by 40.
Simplest form of
and
is
which means that everybody used up equal fraction of his/her pencils.
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