You find a common denominator
3/4 - 1/6 = ?
common denominator would be 12
9/12 - 2/12 =7/12
you have to multiply the top and bottom by the same number
3*3 and 4*3 so 3/4 = 9/12
1*2 and 6*2 so 1/6 = 2/12
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Like fractions have the same denominator, unlike fractions don't.
Like fractions have the same denominators (bottom part of fraction), unlike fractions do not.
Unlike. Unlike. Unlike. Unlike.
Change them to like fractions and proceed.
no, to add and subtract like and unlike fractions the denominator has to be the same,