Sam's dad spends 1/2 of his salary every month on rent and 2/5 on petrol. What fraction is left to spent on food and other necessities for the month?

10 answers

(10/10) - (2/10) - (5/10) = ?
3/9
I want the caculation
Question is not complete
Sam's dad spends 1/2 of his salary every month on rent and 2/5 on petrol. What fraction is left to spent on food and other necessities for the month?
1/10
It says what fraction is left!?!?!
I don't know
1/2 + 2/5
=5+4/10
=9/10
L.c.m =10
Which means Sam's dad only has 1/10 left on his monthly salary
While baking a cake Jill notice that 5/6 of a dozen eggs is rotten.How many eggs does she have to bake her cake