2. 3/4 + 4/5 To be able to add the factions, you will have to find the common denominator. The denominator is the bottom number or it is on the right side of a fraction. To find the common denominator you can list both of the denominators till you get the same number. Or another option is to multiply the two denominators and you get the same number.
3. 15/20 + 16/20 Once you got the common denominator you will have to multiply the numerator with how ever much you multiplied the denominator with and with this question, it would be 3 x 5 witch = 15 or 4 x 4 witch = 16
4. Answer 15/20 + 16/20 = 31/20 Then you have to reduce it to 31/20
5. 1/3 - 1/5 First what you have to do is find the common denominator by ether multiplying the two denominators or to list them. 3 6 9 12 15 5 10 15
6. 5/15 – 3/15 Then to get your answer you will have to subtract 5/15 and 3/15 Answer: 5/15 – 3/15 = 2/15
