42/80 Simplified

What is 42/80 Simplified?

Answer: Fraction 42/80 simplified to lowest terms is 21/40
42
/
80
=
21
/
40

21/40 is the simplified fraction of 42/80.

Simplifying Fraction 42/80 using GCF

The first way to simplify the fraction 42/80 is to use the Greatest Common Factor (GCF) of our numerator [42] and denominator [80].

GCF of 42 and 80 is 2

And then divide both the numerator [42] and denominator [80] by the GCF [2].

42 ÷ 2
/
80 ÷ 2
=
21
/
40

Simplifying Fraction 42/80 using Prime Factors

Another method to reduce the fraction 42/80 to its simplest form is to use the Prime Factors of numerator [42] and denominator [80].

Now we can write down a new fraction expressed by its Prime Factors and cancel common factors in numerator and denominator:

2 × 3 × 7
/
2 × 2 × 2 × 2 × 5
=
21
/
40

Simplifying Fraction 42/80 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [42] and denominator [80] by the smallest possible number (2,3,4,5... and so on), and repeat this until it is impossible to divide without a reminder.

42 ÷ 2
/
80 ÷ 2
=
21
/
40

See Also

Fraction Simplifier Calculator

This calculator will help you to simplify any fraction to its simplest form. For example, it can help you find out what is 42/80 Simplified? (The answer is: 21/40). Enter the fraction (numerator and denominator) (e.g. '42/80') and hit the 'Simplify' button.
Simplifying a fraction, (e.g. 42/80) means reducing it to its simplest form. A fraction is considered simplified if its numerator and denominator have no common factors other than 1 (one).

Fraction Simplification Table

FractionLowest Terms
42/65
42/6742/67
21/34
42/7142/71
42/7342/73
21/37
21/38
42/7942/79
21/40
42/8221/41
42/8342/83
42/8542/85
42/8621/43
42/8714/29
42/8821/44
42/8942/89
42/9221/46
42/93
42/9421/47

FAQ

What is 42/80 Simplified?

Fraction 42/80 simplified to lowest terms is 21/40