# Lesson

5.1. Preparation to reduce/simplify fractions 1.

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# 5.1. Preparation to reduce/simplify fractions 1.

**Reducing/simplifying fractions 1.**

We are learning the basic mechanism of reducing fractions by cancelling common factors in pairs both in the numerator and the denominator.

# Key operations:

# Key operations:

## A. Dividing zero by a non-zero number

## B. Dividing by 1.

## C. Division by itself

## D. Eliminating the denominator

## E. Eliminating the numerator

## F. Symmetrical simplification

# Easy

- 1.
- 2.
- 3.
- 4.
- 5.
- 6.

# Intermediate

- 7.
- 8.
- 9.
- 10.

# Hard

- 11.
- 12.
- 13.
- 14.
- 15.
- 16.