Question

Sarah is painting a wall using three colours. She paints 1/3 of the wall blue, 1/4 of the wall green and the rest yellow.
What fraction of the wall does she paint yellow?

Answer 1

Answer:

Step-by-step explanation:

The portion painted with blue and green colors=

=1/3+1/4

LCM of 3 and 4=3*4=12

=1/12*(4+3)

=7/12

So the remaining part for painting

=1-7/12

=1/12(12-7)

=1/12*5

=5/12

So the fraction of the wall Sarah painted yellow=5/12