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Like fractions
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are those fractions where denominators are same

Eg : 1/3, 2/3, 4/3, 8/3 are like fractions

2/9, 4/9, 6/9, 8/9 are like fractions

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Unlike fractions
**
are those fractions where denominators are different.

Eg : 1/2, 1/3, 1/5, 1/8 are unlike fractions