Question

Find the product of 3 1/8 and 1 2/7 Express your answer in simplest form.

Answer 1

Convert mixed numbers 3 1/8 and 1 2/7 into improper fractions first:

 25      9       225
----- * ---- = --------    This is equal to 4.02.
  8       7        56

This cannot be simplified.

Note that you could estimate this product by converting 3 1/8 and 1 2/7 into approx. decimal fractions:

(3.125)(1.28) = 4