21/45 Simplified
What is 21/45 Simplified?
7/15 is the simplified fraction of 21/45.
Simplifying Fraction 21/45 using GCF
The first way to simplify the fraction 21/45 is to use the Greatest Common Factor (GCF) of our numerator [21] and denominator [45].
GCF of 21 and 45 is 3
And then divide both the numerator [21] and denominator [45] by the GCF [3].
Simplifying Fraction 21/45 using Prime Factors
Another method to reduce the fraction 21/45 to its simplest form is to use the Prime Factors of numerator [21] and denominator [45].
Prime Factors of 21: 3,7
Prime Factors of 45: 3,3,5
Now we can write down a new fraction expressed by its Prime Factors and cancel common factors in numerator and denominator:
Simplifying Fraction 21/45 by Dividing by the Smallest Possible Number
In order to simplify our fraction we can start dividing both the numerator [21] and denominator [45] by the smallest possible number (2,3,4,5... and so on), and repeat this until it is impossible to divide without a reminder.
Related Calculations
Fraction Simplification Table
Fraction | Lowest Terms |
---|---|
21/30 | 7/10 |
21/31 | 21/31 |
21/32 | 21/32 |
21/33 | 7/11 |
21/34 | 21/34 |
21/35 | 3/5 (⅗) |
21/36 | 7/12 |
21/37 | 21/37 |
21/38 | 21/38 |
21/39 | 7/13 |
21/40 | 21/40 |
21/41 | 21/41 |
21/42 | 1/2 (½) |
21/43 | 21/43 |
21/44 | 21/44 |
21/45 | 7/15 |
21/46 | 21/46 |
21/47 | 21/47 |
21/48 | 7/16 |
21/49 | 3/7 |
21/50 | 21/50 |
21/51 | 7/17 |
21/52 | 21/52 |
21/53 | 21/53 |
21/54 | 7/18 |
21/55 | 21/55 |
21/56 | 3/8 (⅜) |
21/57 | 7/19 |
21/58 | 21/58 |
21/59 | 21/59 |