A man has 85 feddans of agricultural land. He planted rice in of them. How many rice planted feddans are there?
Multiply the number of feddans by
to find how many rice planted feddans there are.
To multiply a whole number by a fraction, put the whole number in the form of a fraction whose denominator is 1, multiply the numerators of the two fractions to find the numerator of the product, and multiply the denominators of the two fractions to find the denominator of the product.