Question

William waters his plants on different days. he watered 1/5 of the plants on monday and 1/5 of the plants on tuesday. What fraction shows the part of the plants that William still needs to water this week

Answer 1

On monday William watered: 1/5 of his plants
On tuesday William watered: 1/5 of his plants
1/5+1/5=2/5 He watered 2/5 of his plants.
2/5+x=1
2/5+x=5/5, x=5/5-2/5, x=3/5
William still needs to water 3/5 of his plants.