If you want to calculate on time go to tempotoets.nl

Also try how good you are at mental arithmetic!

Here you learn arithmetic error-free for FREE

FRACTIONS

Here you can exercise fractions.

Suppose the sunm 1/2 + 1/3 than the answer is 5/6. You fill in 5/6.

If you choose 1-5 than the fractions are additions. The denominators are not larger than 5

If the aswer is 5/4 than you don't have to rewrite the answer to 1 1/4