Similar (Like) fractions are fractions with same denominators. On the other hand, dissimilar (Unlike) fractions are fractions with different denominators.
| SIMILAR FRACTION |
Fractions with same denominators (bottom numbers). Examples:`1/6` , `5/6` , `13/6` , `19/6` |
| UNLIKE FRACTION |
Fractions with different denominators (bottom numbers). Examples:`2/9` , `7/8` , `14/25`, `26/4` |
Since `5/11` and `8/11` have similar denominators. Therefore, they are similar fractions.
Since `2/5` and `5/2` have unlike denominators. Therefore, they are unlike fractions.
Since `1/4` and `6/8` have unlike denominators, they are unlike fractions.
Step 1
Find LCM (least common multiple) of the denominators.
Step 2:
Convert the fractions to equivalent fractions with denominators equal to the LCM.
Step 1
The least common multiples of 4 are: 4, 8, 12, 16…
The least common multiples of 8 are: 8, 16, 24, 32…
Step 2
The least common multiple of 4 and 8 is 8, so our aim is to make both the denominators 8.
We achieve this by multiplying the denominator and numerator of the first fraction `1/4` by 2.
`1/4` = `(1 text( x ) 2)/(4 text( x ) 2)` = `2/8`
Similarly, we multiply the denominator and numerator of the second fraction `3/8` by 1.
`3/8` = `(3 text( x ) 1)/(8 text( x ) 1)` = `3/8`
The new fractions, `2/8` and `3/8` are now similar fractions.
We convert unlike fractions to similar fractions when we have to add or subtract two unlike fractions.
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