Here's how to subtract 4/10 from 3/10:
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Step 1Since our denominators match, we can subtract the numerators. 3 − 4 = -1 So the answer is:
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Step 2Last of all, we need to simplify the fraction, if possible. Can it be reduced to a simpler fraction? To find out, we try dividing it by 2... No good. 2 is larger than -1. So we're done reducing. There you have it! The final answer is:
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