Download Definition A fraction is an ordered pair of whole numbers, the 1st one

Definition
A fraction is an ordered pair of whole numbers, the 1st one is usually written on top of the
other, such as or .
The numerator is the part
The denominator is the whole
Equivalent Fractions
Equivalent fractions are fractions that have different numbers but the same value. The pieces of
the whole are cut into different sizes.
Method 1: Multiply the numerator and
denominator by the same number.
Method 2: Divide the numerator and the
the denominator by the same number.
Compare Fractions
Method 1:
Method 2: Criss-Cross
Multiply to the top,
Next Compare the numbers and then you can stop!
To compare two fractions, you can follow these steps:
1.
8
<
15
Find the least common denominator (LCD) of the fractions.
That is the LCM of the denominators.
2.
Write an equivalent fraction for each fraction using the LCD.
3.
Compare the numerators.
Mixed numbers and Improper Fractions
To write a mixed number as an improper fraction:
2
1. Multiply the whole number part by the denominator
2. Add this product to the numerator
3. Write the sum over the denominator.
=
3
=
1
To write and improper fraction as a mixed number:
1. Divide the numerator by the denominator.
= 2 remainder 4
2. Write the remainder over the denominator
=2
3. Simplify, if possible.
=2