→ When adding fraction that have the same denominator, you will only have to add the numerator and copy the denominator when writing your final answer.
ex. 2/5 + 3/5 = 5/5
Same goes when subtracting fractions with the same denominator.
How to simplify a fraction?
→ Write down the factors for the numerator and the denominator. Determine the largest factor that is common between the two. Divide the numerator and denominator by the greatest common factor and lastly write down the reduced fraction.
How to find a fractions greatest common factor?
→ The highest common factor (hcf) of two numbers is the biggest whole number that divides exactly into both.
Answers & Comments
22. 8/12 - 4/12 = 4/12 or 1/3
23. 3/9 + 3/9 = 6/9 or 2/3
24. 10/15 - 8/15 = 2/15
25. 7/9 - 3/9 = 4/9
26. 2/11 + 5/11 = 7/11
How to add fraction with the same denominator?
→ When adding fraction that have the same denominator, you will only have to add the numerator and copy the denominator when writing your final answer.
ex. 2/5 + 3/5 = 5/5
Same goes when subtracting fractions with the same denominator.
How to simplify a fraction?
→ Write down the factors for the numerator and the denominator. Determine the largest factor that is common between the two. Divide the numerator and denominator by the greatest common factor and lastly write down the reduced fraction.
How to find a fractions greatest common factor?
→ The highest common factor (hcf) of two numbers is the biggest whole number that divides exactly into both.