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¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾¼½¾ FRACTIONS - + x ÷
* GENERAL RULE FOR CALCULATING WITH FRACTIONS
Whatever you do the bottom of the fraction, you do the same to the top. This relates to addition and subtraction, cancelling down and cancelling common factors – OHHHH!
+ - RULES FOR ADDING and SUBTRACTING FRACTIONS
Make sure the denominators (bottom numbers) are the same, (change them if they are not) then add or subtract the top numbers and place the answer over the denominator
Place your own example here___________________________________________
X RULES FOR MULTIPLYING FRACTIONS
Just multiply across the top and the bottom! (so multiply the numerators, then multiply the denominators) they don’t have to be the same or anything – lovely!
Place your own example here___________________________________________
÷ RULES FOR DIVIDING WITH FRACTIONS
This is lovely as well, just turn the second fraction upside down, and then multiply it, like above. (You will have used the reciprocal of the fraction, related to division and multiplication being the opposite of each other)
Place your own example here___________________________________________
X FINDING A FRACTION OF AN AMOUNT
Go with the flow, multiply by the top and divide by the bottom of the fraction
Eg; find nine twentieths of three hundred and sixty
1 – multiply 360 by 9
2 – divide the answer by twenty
3 – you should get one hundred and sixty two.
Now that you have seen it written down fully in this confusing way, write the sum here in numbers, and see if it works.
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