How do you subtract #\frac { 17} { 21} - \frac { 4} { 6}#?
2 Answers
Explanation:
21 can be factored into
6 can be factored into
7 and 2 are the uncommon factors
multiply
multiply
Note :
In case you noticed that
Explanation:
A fraction structure is
You can not directly add or subtract the 'counts' unless the 'size indicators' are the same.
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Multiply by 1 and you do not change the value. However 1 comes in many forms. So you can change the way a fraction looks without changing its value.