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The greatest or highest common factor is the highest number that divides exactly into two or more numbers.
20: 1, 2, 4, 5, 10, 20
45: 1, 3, 5, 9, 15, 45
The greatest common factor for 20 and 45 is 5.
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What is the HCF of 135 and 180?
15 is the answer
How greater is 45 than 20 in percent?
If 20 = 100% then 45 = 225% So, 45 is an increase of 125% on 20
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What is 45 percent as a fraction in lowest terms?
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.45 as a fraction in lowest terms?
45 as a fraction 45/100 but in the lowest terms it is 9/20
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