Subtracting fractions with totally different denominators entails discovering a typical denominator, which is the least widespread a number of of the denominators of the fractions being subtracted. As soon as the widespread denominator is discovered, the numerators of the fractions are subtracted, and the result’s written over the widespread denominator.
Discovering the least widespread a number of might be accomplished by itemizing the multiples of every denominator and figuring out the smallest quantity that seems in each lists. One other methodology is to prime factorize every denominator and multiply the distinctive prime components collectively. The product of those distinctive prime components is the least widespread a number of.
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