2.45 as a Fraction

2.45 as a fraction is 49/20, or 2 9/20 as a mixed number.

Result

Answer

2.45 = \textcolor{#0b5c56}{\frac{49}{20} = 2\frac{9}{20}}

2.45 as a fraction is 49/20, or 2 9/20 as a mixed number.

  • Mixed number: \displaystyle 2\frac{9}{20}
  • Percent: 245%
232 9/20

Step-by-step solution

The problem

2.45

  1. Write the digits over 100. 2.45 has 2 decimal places, so put the digits (without the point) over 1 followed by 2 zeros.

    = \textcolor{#0b5c56}{\frac{245}{100}}

  2. Simplify. Write both as prime factors:\begin{aligned} 245 &= 5 \times 7^{2} \\[6pt] 100 &= 2^{2} \times 5^{2} \end{aligned}The only factor they share is 5, so the greatest common factor (GCF) is 5. Divide the top and bottom by 5.

    = \frac{245 \div 5}{100 \div 5} = \textcolor{#0b5c56}{\frac{49}{20}}

  3. Write it as a mixed number. 49 ÷ 20 = 2 remainder 9: the whole number is 2 and 9 is the new numerator.

    49 \div 20 = 2\ \text{R}\ 9
    = \textcolor{#0b5c56}{2\frac{9}{20}}

All the working together

\begin{aligned} &2.45 \\[8pt] &= \frac{245}{100} && \textcolor{#5b6660}{\textsf{over 100}} \\[8pt] &= \frac{245 \div 5}{100 \div 5} && \textcolor{#5b6660}{\textsf{simplify}} \\[8pt] &= \frac{49}{20} \\[8pt] &= \textcolor{#0b5c56}{2\frac{9}{20}} && \textcolor{#5b6660}{\textsf{mixed number}}\end{aligned}

2.45 in other forms

Fraction (simplest form)49/20
Mixed number2 9/20
Before simplifying245/100
Percent245%

Nearby decimals as fractions

DecimalFractionPercent
2.211/5220%
2.259/4225%
2.323/10230%
2.3547/20235%
2.412/5240%
2.4549/20245%
2.55/2250%
2.5551/20255%
2.613/5260%
2.6553/20265%
2.727/10270%

Frequently asked questions

What is 2.45 as a fraction?

2.45 as a fraction is 49/20, or 2 9/20 as a mixed number. 2.45 has 2 decimal places, so write the digits over 100: 245/100. Divide the top and bottom by 5 (their greatest common factor) to get 49/20.

What is 2.45 as a percent?

2.45 is 245%: multiply by 100 (move the decimal point two places to the right).

Is 49/20 the simplest form?

Yes. 49 and 20 have no common factor other than 1, because the greatest common factor 5 was divided out of 245/100.

More decimals as fractions

Any other decimal, including longer repeating ones: use the Decimal to Fraction Calculator, or look it up on the printable fraction chart.