Adding and Subtracting Fractions

Adding and Subtracting FractionsREMEMBER!Only fractions with the same denominator can be added or subtracted.Example:1) Work out 3/5 + 2/3 Find the lowest common denominator of 5 and 3. In this case it's 15. Change the fractions into their equivalent with a denominator of 15. 3   x3     9_    =      _5    x3   152      x5    10_      =       _    3      x5    15Now re-write the sum:9/15 + 10/15 = 19/15 = 1 4/15

Fractions