Sagot :
1. 2/15 multiply the numerators and the denominators separately 2 x 1. 3 x 5.
2. 21. reduce the numbers with the GCF 4 so 3 x 7
3. 20 reduce the numbers with the GCF 5 so 5 x 4
4. 3 convert the mixed number to improper fraction so it will be 18/5 x 5/6
then reduce the numbers with the GCF 5 so 18 x 1/6