Answer
What 0.45-0.24=?
0.45 - 0.24 = 45/100 - 24/100
as we have the same denominator 100 we can do a normal substraction:
45-24 / 100 = 21/100 = 0.21
Math Antics Decimal Addition and Subtraction
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What 0.45-0.24=?
0.45 - 0.24 = 45/100 - 24/100
as we have the same denominator 100 we can do a normal substraction:
45-24 / 100 = 21/100 = 0.21