How To Add Fractions (With different denominators)

This word document includes how to add fractions. Trust me it can be quite tricky (I am predicted an A*) Also when using fractions and algebra it can come quite handy...

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How To Add Fractions

Adding fractions with different denominators (Number on the bottom) can
be tricky. Here's how to do it:

This formula may look strange but it makes sense.
For example if you had;

2/3 + 1/4

You couldn't just add the numerator (Top Number) because they have

Page 2

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-Then write out values of a, b, c and d.





-Now write the common denominator (b x d)

-Work out the numerator:

(a x d) + (c x b)

- Write the answer:


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