Question

Kai has 130 beads to make a necklace there are 100 blue beads there 20 red beads what fraction of the beads are blue what fraction of the beads are red

Answer 1

Blue beads: 100/130, which reduces to 10/13.
Red beads: 20/130, which reduces to 2/13.

You're just taking the fraction of the certain color of beads compared with the total number of beads, which is 130.