Fraction and Decimal Operations

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator and 'b' is the denominator.

Front

What is a decimal?

Back

A decimal is a way of expressing a number that is not whole, using a point to separate the whole number from the fractional part.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What is the price of 1 gallon of gas if Marco paid $36.89 for 8.6 gallons?

Back

$4.29

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width.

Front

What is the area of a swimming pool that is 21.4 feet long and 12.75 feet wide?

Back

272.85 square feet.

Front

What is a reciprocal?

Back

The reciprocal of a number is 1 divided by that number. For a fraction, it is obtained by flipping the numerator and denominator.

Front

What is the reciprocal of 4/12?

Back

12/4.

Front

How do you find the weight of an ingredient in a mixture?

Back

Multiply the total weight by the fraction that represents the ingredient's portion.

Front

If a bar of soap weighs 3.8 ounces and glycerin makes up 0.4 of the weight, what is the weight of the glycerin?

Back

1.52 oz.