Question

Oliver swam $\frac{13}{33}$ of a lap in the swimming pool in a contest. Nora swam $\frac{17}{33}$ of a lap in the contest. How much further part of a lap did Nora swim than Oliver?

• A. $\frac{4}{33}$
• B. $\frac{30}{33}$
• C. $\frac{4}{0}$

Answer 1

The correct option is A $\frac{4}{33}$

Oliver swam $\frac{13}{33}$ of a lap.

Nora swam $\frac{17}{33}$ of a lap.

Hence, Part of a lap that Nora swam further than Oliver is $(\frac{17}{33}-\frac{13}{33})$ of a lap.

Concept: Only the numerators of both fractions are added or subtracted when two fractions with the same denominator are added or subtracted.

$\Rightarrow \frac{17}{33}-\frac{13}{33}=\frac{17-13}{33}=\frac{4}{33}$