21/30 Simplified
What is 21/30 Simplified?
7/10 is the simplified fraction of 21/30.
Simplifying Fraction 21/30 using GCF
The first way to simplify the fraction 21/30 is to use the Greatest Common Factor (GCF) of our numerator [21] and denominator [30].
GCF of 21 and 30 is 3
And then divide both the numerator [21] and denominator [30] by the GCF [3].
Simplifying Fraction 21/30 using Prime Factors
Another method to reduce the fraction 21/30 to its simplest form is to use the Prime Factors of numerator [21] and denominator [30].
Prime Factors of 21: 3,7
Prime Factors of 30: 2,3,5
Now we can write down a new fraction expressed by its Prime Factors and cancel common factors in numerator and denominator:
Simplifying Fraction 21/30 by Dividing by the Smallest Possible Number
In order to simplify our fraction we can start dividing both the numerator [21] and denominator [30] 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 |
---|---|
21/15 | 7/5 |
21/16 | 21/16 |
21/17 | 21/17 |
21/18 | 7/6 |
21/19 | 21/19 |
21/20 | 21/20 |
21/21 | 1/1 |
21/22 | 21/22 |
21/23 | 21/23 |
21/24 | 7/8 (⅞) |
21/25 | 21/25 |
21/26 | 21/26 |
21/27 | 7/9 |
21/28 | 3/4 (¾) |
21/29 | 21/29 |
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 |