Question

Noelle has 5/6 of a yard of purple ribbon and 9/10 of a yard of pink ribbon how much ribbon does she have altogether

Answer 1

so you would do,
5/6+9/10 and you get 52/30
then you turn that into 1 ₁₁/₁₅
so your answer is 1 ₁₁/₁₅