Add, Subtract, Multiply, and divide rational numbers.

Addition

1

Addition (Same Denominator):
3/7 + 2/7 =v?

5/7 or 3+2/7

5

Adding with Same Denominators

3/5 + 2/5 = ?

3+2/5 = 5/5 = 1

10

Adding with Different Denominators:

4/3 + 5/2 = ? 

23/6

50

Addition (Unlike Denominators):

- 1/2 + 1/3 = ?

- 3/6 + 2/6 = -3+2/6 = - 1/6

Subtraction

1

Subtraction (Different Denominators):

1/2 - 1/3 = ? 

3/6 - 2/6 = 2-3/6 = 1/6

Multiply

1

Basic Multiplication

2/3 x 4/5 = ?

2x4/3x5 = 8/15

Divide

1

Basic Division

1/2 ÷ 3/4 = ?

1/2 x 4/3 = 4/6 = 2/3

Multiply or Divide Positive or Negative

1

Multiplication with Negatives:

-3/4 x 2/7 = ?

-3x2/4x7 = -6/28 = - 3/14

50

Dividing by a Negative: 

-5/8 ÷ 1/4 = ?

-5/8 x 4/1 = -20/-8 = -5/-2 or -2 1/2