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What is the denominator of fraction 455?
455 is not a fraction but an integer. It may be written as 455/1 in which case the denominator is 1.
How can the fraction 512 be written as an equivalent fraction with a denominator of 60?
512 is an integer, not a fraction. However, it can be written in fractional form as 512/1. With a denominator of 60, it would be 30720/60.
Is 0 a rational?
Yes, because it can be written as a fraction with a non-zero denominator. More specifically it can be written in the form of any fraction with a non-zero denominator so long as the numerator is zero.
What forms can a rational number be in?
All rational numbers can be written as one integer (the numerator) over another integer (the denominator). If the numerator is less than the denominator, it is a vulgar (or common) fraction. If the denominator is 1, then only the numerator may be written in which case it may take the form of a whole number, eg 5/1 can also be written as 5. If the numerator equals the denominator, the fraction can be simplified to 1/1 which would be written as the whole number 1. If the numerator is greater than the denominator, then it is an improper (or top heavy) fraction and can be written as a mixed number which is a whole number along with a proper fraction (with the original denominator), eg 5/3 can also be written as 12/3 The denominator can be any non-zero integer, ie zero is not allowed to be the denominator of any fraction.
Can all whole numbers be written as a fraction?
Yes, with a denominator of 1
