Pecahan Matematika

Hitunglah 3/4 + 2/5

• 1 3/4

• 19/20

• 23/20

• 1 1/4

Answer explanation

To add 3/4 and 2/5, find a common denominator which is 20. Then, convert both fractions to have the same denominator. Add the numerators to get 23/20.

Sederhanakan pecahan 8/12

• 3/4

• 4/6

• 5/7

• 2/3

Answer explanation

To simplify the fraction 8/12, we can divide both the numerator and denominator by their greatest common factor, which is 4. This gives us 2/3 as the simplified form.

Hitunglah 1/3 x 2/5

• 2/15

• 5/12

• 3/10

• 1/8

Answer explanation

To multiply fractions, multiply the numerators together and the denominators together. (1/3) x (2/5) = (1x2) / (3x5) = 2/15. Therefore, the correct answer is 2/15.

Sederhanakan pecahan 15/20

• 3/4

• 4/5

• 2/3

• 5/6

Answer explanation

To simplify the fraction 15/20, we can divide both the numerator and denominator by 5 to get 3/4. Therefore, the correct answer is 3/4.

Hitunglah 2/3 - 1/4

• 2/5

• 1/6

• 3/7

• 5/12

Answer explanation

To subtract fractions, find a common denominator. Here, the common denominator is 12. So, 2/3 - 1/4 = 8/12 - 3/12 = 5/12. Therefore, the correct answer is 5/12.

Sederhanakan pecahan 24/36

• 1/2

• 2/3

• 3/4

• 4/6

Answer explanation

To simplify the fraction 24/36, we divide both the numerator and denominator by their greatest common factor, which is 12. This gives us 2/3 as the simplified form.

Hitunglah 5/6 : 2/3

• 5/4

• 1/2

• 7/8

• 3/4

Answer explanation

To divide fractions, multiply the first fraction by the reciprocal of the second. (5/6) / (2/3) = (5/6) * (3/2) = 15/12 = 5/4. Therefore, the correct answer is 5/4.

Sederhanakan pecahan 9/15

• 2/3

• 4/5

• 5/7

• 3/5

Answer explanation

To simplify the fraction 9/15, we can divide both the numerator and denominator by their greatest common factor, which is 3. This gives us 3/5 as the simplified form.

Hitunglah 4/7 + 3/8

• 51/56

• 47/56

• 53/56

• 49/56

Answer explanation

To add 4/7 and 3/8, find a common denominator which is 56. Then, convert both fractions to have the denominator of 56. The result is 53/56.

Sederhanakan pecahan 18/24

• 3/4

• 2/3

• 4/5

• 5/6

Answer explanation

To simplify the fraction 18/24, divide both the numerator and denominator by their greatest common factor, which is 6. This results in 3/4, making it the correct choice.