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10) (2)/(5)+(3)/(10)= ii) (1)/(3)+(2)/(5)= 12) (3)/(5)+(2)/(4)=

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10) (2)/(5)+(3)/(10)= II) (1)/(3)+(2)/(5)= 12) (3)/(5)+(2)/(4)=

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10) To add fractions, they must have the same denominator. The least common multiple of 5 and 10 is 10. So, convert to a fraction with 10 as the denominator by multiplying both the numerator and the denominator by 2. This gives . Now you can add the fractions: .(1) Again, to add fractions, they must have the same denominator. The least common multiple of 3 and 5 is 15. Convert to a fraction with 15 as the denominator by multiplying both the numerator and the denominator by 5. This gives . Similarly, convert to a fraction with 15 as the denominator by multiplying both the numerator and the denominator by 3. This gives . Now you can add the fractions: .12) The least common multiple of 5 and 4 is 20. Convert to a fraction with 20 as the denominator by multiplying both the numerator and the denominator by 4. This gives . Similarly, convert to a fraction with 20 as the denominator by multiplying both the numerator and the denominator by 5. This gives . Now you can add the fractions: . Simplify this fraction by dividing both the numerator and the denominator by 2 to get .