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Brainteasers

Fractions

Calculations involving fractions.

  • Arrange fractions in order of size.
  • Convert fractions to decimals.
  • Solve equations involving fractions.

Example 1

Arrange these fractions in order, from high to low.

7/18, 2/3, 21/27, 1/2

Solution: 21/27>2/3>1/2>7/18.

Example 2

Arrange these fractions in order, from high to low.

11/20, 4/15, 23/30, 5/12

Solution: 23/30>11/20>5/12>4/15.

1. Arrange these fractions in order, from high to low.

3/14, 1/4, 5/8, 15/28

5/8>15/28>1/4>3/14>



2. Arrange these fractions in order, from high to low.

17/20, 5/8, 4/5, 9/10

9/10>17/20>4/5>5/8


3. Using all the digits from 1-9 only once, make a fraction that is equal to 1/3.

5832/17496 = 1/3


4. Arrange these fractions in order, from high to low.

11/12, 1/24, 1/3, 15/16

15/16>11/12>1/3>1/24


5. Arrange these fractions in order, from high to low.

1/2, 15/17, 11/34, 3/4

15/17>3/4>1/2>11/34