The Singing Hedgehog Guide to:
Subtracting Fractions 1

Subtracting is just the same as adding but we take away the tops.

Here is the first example as a take away sum.

 Write out the question
 Put down the LCM

Do the "Not thinking very much at all" line
 Work out what has happened to the bottoms

 Do the same to the top as we did to the bottom

 Write in the top values
Take away the tops
 Don't subtract the bottoms!

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