# Lesson

5.14. Revision: Adding and subtracting fractions

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# 5.14. Revision: Adding and subtracting fractions

**Adding and subtracting fractions 6.**

We are summarizing and reviewing all methods: how to find the common denominator of fractions with the same denominator; natural numbers and fractions; also fractions with different denominators. If possible, you have to simplify in the end.

## Templates:

# Key operations and transformations:

## Case A.

## Case B.

## Case C.

## Case D.

# Easy

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

# Intermediate

- 6.
- 7.
- 8.
- 9.
- 10.

# Hard

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