Fractions questions
Additionner, soustraire, multiplier, et diviser des fractions, avec des réponses simplifiées.
Couvre les questions de fractions sur l'addition, la soustraction, la multiplication, et la division de fractions, la simplification de fractions, et la conversion entre décimaux, fractions, et pourcentages. Nombres mixtes et fractions impropres inclus.
Commencer avec fractions
Exemples de questions de Fractions
Les exemples de questions ci-dessous sont pour l'instant uniquement en anglais.
1. 5/10 + 1/4 = ?+
Réponse: 3/4
Step 1: Find a common denominator: 10 and 4 both divide evenly into 20. Step 2: Rewrite each fraction: 5/10 = 10/20, and 1/4 = 5/20. Step 3: Add the numerators: 15/20. Step 4: Simplify: 3/4.
2. 2/5 + 3/8 = ?+
Réponse: 31/40
Step 1: Find a common denominator: 5 and 8 both divide evenly into 40. Step 2: Rewrite each fraction: 2/5 = 16/40, and 3/8 = 15/40. Step 3: Add the numerators: 31/40. Step 4: Simplify: 31/40.
3. 1/8 - 7/10 = ?+
Réponse: -23/40
Step 1: Find a common denominator: 8 and 10 both divide evenly into 40. Step 2: Rewrite each fraction: 1/8 = 5/40, and 7/10 = 28/40. Step 3: Subtract the numerators: -23/40. Step 4: Simplify: -23/40.
4. 3/9 + 4/5 = ?+
Réponse: 17/15
Step 1: Find a common denominator: 9 and 5 both divide evenly into 45. Step 2: Rewrite each fraction: 3/9 = 15/45, and 4/5 = 36/45. Step 3: Add the numerators: 51/45. Step 4: Simplify: 17/15.
5. 5/10 ÷ 1/3 = ?+
Réponse: 3/2
Step 1: Flip the second fraction and multiply: 5/10 × 3/1. Step 2: Multiply numerators and denominators: (5 × 3) / (10 × 1) = 15/10. Step 3: Simplify by dividing both by 5: 3/2.
6. 4/5 + 2/3 = ?+
Réponse: 22/15
Step 1: Find a common denominator: 5 and 3 both divide evenly into 15. Step 2: Rewrite each fraction: 4/5 = 12/15, and 2/3 = 10/15. Step 3: Add the numerators: 22/15. Step 4: Simplify: 22/15.