Question

Mathilda has 20 pints of green paint.She uses 2/5 of it to paint a landscape and 3/10 of it while painting a clover.She decides that,for her next painting. She will need 14 pints of green paint. How much more paint will she need to buy?

Answer 1

2/5 = 8/20 and 3/10 = 6/20 which =  add the numerator 14 so 14/20 and will have 6 pints left over so she will need to buy 8 pints