Fundamentals of Math

Fundamentals of Mathematics

Step 2: The value before the decimal is the whole number part of the mixed fraction. The value behind the decimal is the numerator.

5 10

3

Step 3: Simplify the fraction if you can.

5 10

5 ÷ 5 10 ÷ 5

1 2

3

= 3

= 3

The decimal 3.5 as a fraction becomes 3 1 2

Practice 2.3

Directions: Convert fractions to decimals and decimals to fractions. Simplify your final fractions if possible.

3 12

2. 1.7 =

1.

=

3. 9 5

4. 0.24 =

=

5. 16 6

6. 14.9 =

=

7. 5 1 2

8. 0.394 =

=

9. 39 16

10. 1.98 =

=

Answer Key on Page 118

2.4 Percentages Percentages, decimals, and fractions are used often in daily life. The ability to freely convert between the three increases our number sense and ability to solve problems. How to Convert a Decimal to a Percent The simplest way to convert from a decimal to a percentage is to adjust the location of the decimal point then add a percent sign (%). 1. Move the decimal to the right two place values - no decimal? Add one to the end of the whole number. ➔

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