add 5/6 and 9/10
first look for a common denominator....that's....30
so now the fractions are 25/30 + 27/30
add the numerators keep the common denominator.
52/30 in mixed number is 1 22/30, now reduce the fraction, divide by 2, so
1 11/15, so Noelle has 1 11/15 ribbon altogether.