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FRACTIONS REVISON OF BASIC CONCEPTS ADDITION AND SUBTRACTION OF FRACTIONS.

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Presentation on theme: "FRACTIONS REVISON OF BASIC CONCEPTS ADDITION AND SUBTRACTION OF FRACTIONS."— Presentation transcript:

1 FRACTIONS REVISON OF BASIC CONCEPTS ADDITION AND SUBTRACTION OF FRACTIONS

2 MEANING OF FRACTION The denominator expresses the parts into which it is divided the unit and the numerator parts we take.

3 READING FRACTIONS Remember: we first read the numerator and then the denominator. Tres sextos Cuatro octavos Un tercio Tres cuartos

4 ADDITION OF FRACTIONS WITH EQUAL DENOMINATOR To add fractions with equal denominator, we add the numerators and we put the equal denominator.

5 ADDITION OF FRACTIONS WITH EQUAL DENOMINATOR

6 SUBTRACTION OF FRACTIONS WITH EQUAL DENOMINATOR To subtract fractions with equal denominator, we subtract the numerators and we put the equal denominator.

7 EXERCISES

8 MEANING OF FRACTION You have to write the fractiong for each drawing

9

10 R EADING A FRACTION You have to read the next fractions expresed by drawings

11 Cuatro quintos Cinco sextos Dos tercios Un cuarto Un quinto Cuatro quintos

12 R ESOLVED OPERATIONS

13

14 I RENE ALQUÉZAR TEACHER; 5º MATHS


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