If 2 is added to the denominator of a fraction we get `1/4` . If 1 is added to numerator and simplified we get `2/5`. What is the fraction?

How much is added to 1 to get 6 ?

How much is added to 8 to get 5 ?

How much is added to 6 to get 4 ?

The ratios of denominator and numerator of a fraction is in the ratio 4: 1. Prove that 1/3 part of the numerator is added to it, the ratio becomes 3: 1 .

If 40 % of 20 is added to 30 % of 50, we get 50 % of a number. What is this number?

If 2^5 is multiplied by 2^3 , what power of 2 do we get?

Find the decimale form of the following fractions. 1/5 .