Jump to lessons, tools, blog posts, and key pages.
Simplest form answer
The simplified form of 30/40 is 3/4. The GCF is 10, the decimal is 0.75, and the percent is 75%.
Simplified
3/4
Decimal
0.75
Percent
75%
1. Find the greatest common factor.
The GCF of 30 and 40 is 10.
2. Divide the numerator and denominator by the GCF.
30 ÷ 10 = 3
40 ÷ 10 = 4
3. Write the result.
30/40 simplified is 3/4.
Decimal equivalent
3/4 = 0.75
Percentage equivalent
3/4 = 75%
The filled part represents 3/4 of one whole.
Use the main fraction simplifier for any numerator and denominator.
Open the Fraction Simplifier