How do you add and subtract disimilar fraction?

Answer 1

Give them a common denomiator.... For example - suppose you had the sum 1/3+1/4...

Multiply both fractions to a common denominator - 1/3 = 4/12 and 1/4 = 3/12.

Now - simply add the numerators together - 4 + 3 = 7. So - your answer would be 7/12