Eto po ang ginawa ko. 1.) What is the sum of 9/12 + 4/12?The sum of 9/12 + 4/12 is 13/12, which can be simplified to 1 1/12.Answer: d. 1 2/122.) What is the difference in 5½ - 2 1/8?To subtract mixed numbers, we need to convert them to improper fractions:5½ = 11/2 and 2 1/8 = 17/8Subtracting, we get 11/2 - 17/8 = 44/8 - 17/8 = 27/8 = 3 3/8.Answer: c. 3 3/83.) Find the sum of 2 5/12 and 3 8/12Adding the mixed numbers:2 5/12 + 3 8/12 = (2 + 3) + (5/12 + 8/12) = 5 + 13/12 = 5 1/12Answer: a. 5 1/124.) Aling Mandy bought 2/5 meter of yellow cloth. What is the total length of cloth that Aling Mandy bought?Aling Mandy bought 2/5 meter of yellow cloth.Answer: a. 2/55.) What is the difference 9/12 - 5/12?The difference of 9/12 - 5/12 is 4/12, which can be simplified to 1/3.Answer: a. 1/3(Sana po nakatulong)