Question

Multiply $1\frac{1}{3}\times 3\frac{1}{4}\times \frac{7}{8}$

• A. $3\frac{18}{24}$
• B. $2\frac{19}{24}$
• C. $3\frac{19}{24}$
• D. $2\frac{18}{24}$

Answer 1

The correct option is C $3\frac{19}{24}$

To multiply mixed fractions we convert them into improper fractions.

In the question, 1 whole 1/3× 3 whole 1/4 ×7/8

(3×1+1)/3×(4×3+1)/4×7/8

=4/3×13/4×7/8

=2/3×13/4×7/4

=1/3×13/2×7/4

=91/24

=3 whole 19/24

So, option C is the correct answer.