Convert to common denominator: Convert the fractions to have a common denominator. 109−53 can be written with a common denominator of 10.53 is equivalent to 106 because 3×2=6 and 5×2=10.So, 109−53 becomes 109−106.
Subtract numerators: Subtract the numerators.Now that we have a common denominator, we can subtract the numerators.109−106=10(9−6)9−6=3So, 109−106=103.
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