Quiz: Aducerea fractiilor la numitor comun

Care este cel mai mic multiplu comun al numerelor 6 si 8?

• 18

• 12

• 30

• 24

Care este cel mai mic multiplu comun al numerelor 9 si 15?

• 18

• 24

• 45

• 30

Transforma fractiile 1/4 si 2/5 la un numitor comun.

• The common denominator for 1/4 and 2/5 is 15. So, the equivalent fractions with a common denominator are 4/15 and 7/15.

• The common denominator for 1/4 and 2/5 is 9. So, the equivalent fractions with a common denominator are 2/9 and 3/9.

• The common denominator for 1/4 and 2/5 is 20. So, the equivalent fractions with a common denominator are 5/20 and 8/20.

• The common denominator for 1/4 and 2/5 is 12. So, the equivalent fractions with a common denominator are 3/12 and 5/12.

Transforma fractiile 3/7 si 5/9 la un numitor comun.

• 3/7 devine 30/70 si 5/9 devine 50/90

• 3/7 devine 21/49 si 5/9 devine 35/63

• 3/7 devine 27/63 si 5/9 devine 35/63

• 3/7 devine 9/21 si 5/9 devine 15/27

Calculeaza suma fractiilor 1/3 si 2/5.

• 3/8

• 5/6

• 7/10

• 11/15

Calculeaza diferenta fractiilor 5/8 si 3/10.

• 4/7

• 1/3

• 2/5

• 7/40

Simplifica fractia 8/12 la cea mai simpla forma.

• 2/3

• 4/6

• 5/7

• 3/4

Simplifica fractia 15/25 la cea mai simpla forma.

• 2/3

• 3/5

• 4/5

• 7/10

Inmulteste fractiile 2/3 si 3/4.

• 5/7

• 1/2

• 4/9

• 6/12

Imparte fractiile 4/5 la 2/3.

• 6/5

• 5/6

• 3/4

• 2/5