addition
what is 4/15 + 6/15
what is 10/15
what is 15/6-8/6
what is 7/6
what is 15/6 x 3/6
what is 45/6
what is 15/3 divide 5/3
what is 3/3
what is 54/4 divide 5/4
what is 9/4
what is 7/18 + 10/18
what is 17/18
what is 4/5-2/5
what is 2/5
what is 4/5 x 3/5
what is 12/5
what is 20/4 divide 4/4
what is 5/4
what is 6/7 x 8/7
what is 48/7
what is 17/16 + 13/16
what is 30/16
what is 30/16- 10/16
what is 20/16
what is 5/9 x 4/9
what is 20/9
what is 18/9 divide 9/9
what is 2/9
what is 18/16 - 10/16
what is 8/16
what is 12/14 + 15/14
what is 28/14
what is 50/60-17/60
what is 33/60
what is 14/8 x 9/8
what is 126/8
what is 63/5 divide 9/5
what is 7/5
what is 25/8 + 24/8
what is 20/40 + 68/40
what is 88/40
what is 80/90-18/90
what is 62/90
what is 50/60 x 19/60
what is 950/60
what is 81/10 divide 9/10
what is 9/10
what is a denomentator
the bottom number of a fraction