42/63 Simplified
The fraction 42/63 written in its simplest form.
42/63 in simplest form
2/3
= 0.666667 as a decimal · 66.6667% as a percentage
How it works
To reduce a fraction, divide the numerator and denominator by their greatest common factor (GCF).
- GCF of 42 and 63 = 21
- 42 ÷ 21 = 2
- 63 ÷ 21 = 3
So 42/63 = 2/3, which cannot be reduced further because 2 and 3 share no common factor other than 1.
Equivalent fractions
42/63 = 2/3 = 4/6 = 6/9 = 8/12 — all equal to 0.666667.
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Frequently asked questions
What is 42/63 in simplest form?+
42/63 simplifies to 2/3. Both the numerator and denominator share a greatest common factor of 21, and dividing each by 21 gives 2/3.
How do you simplify 42/63?+
Find the greatest common factor (GCF) of 42 and 63, which is 21, then divide the top and bottom by it: 42 ÷ 21 = 2 and 63 ÷ 21 = 3, giving 2/3.