Sumwise

What is 5/18 as a Decimal?

5/18 = 0.2(7)

Decimal
0.2(7)
Percentage
27.7778%
Simplified
5/18
Type
proper fraction

Sumwise · Maintained by Theo Abbott (pen name) · automated checks · Data: exact arithmetic; unit definitions from NIST SP 811 · Updated · How the checks work

How to work it out

  1. Simplify: 5/18 is already in simplest form
  2. Divide the numerator by the denominator: 5 ÷ 18 = 0.27777778
  3. The digits in brackets repeat forever: 0.2(7)
  4. Check: Work backwards: 0.277778 × 18 = 5, which is 5 once rounding is allowed for.

In a spreadsheet: =5/18. Dividing the denominator by the numerator flips the fraction. A bar over (or brackets around) digits means they repeat forever.

What the result means

As a percentage, 5/18 is 27.7778%. It is a proper fraction, so its value is between 0 and 1, and it is less than one half.

Cooking: a recipe that asks for 5/18 of a cup needs 0.278 cups, about 66.6667 millilitres.

Comparing with nearby fractions

5/18 (0.2778) is bigger than 5/19 (0.2632) and smaller than 6/18 (0.3333). A bigger denominator means smaller pieces, so with the same numerator the fraction gets smaller.

Related results

Results for nearby numbers
1/18 as a decimal

1/18 = 0.0(5)

2/18 as a decimal

2/18 = 0.(1)

3/18 as a decimal

3/18 = 0.1(6)

6/18 as a decimal

6/18 = 0.(3)

4/18 as a decimal

4/18 = 0.(2)

The other way round: 18/5 as a decimal. Flipping the fraction gives its reciprocal, 18/5 = 3.6; the two decimals multiply to exactly 1.

Practice

2/69 as a decimal
Show answer

2/69 = 0.(0289855072463768115942)

57/10 as a decimal
Show answer

57/10 = 5.7

11/77 as a decimal
Show answer

11/77 = 0.(142857)

60/43 as a decimal
Show answer

60/43 = 1.(395348837209302325581)

88/53 as a decimal
Show answer

88/53 = 1.(6603773584905)

11/69 as a decimal
Show answer

11/69 = 0.(1594202898550724637681)

Calculate another

How answers are calculated and checked: methodology.

Questions

What is 5/18 as a Decimal?

5/18 as a decimal is 0.2(7). Long-division steps and simplified fraction.

What is 5/18 as a percentage?

27.7778%. Multiply the decimal 0.277778 by 100.

What is 5/18 in simplest form?

5/18 is already in simplest form: 5 and 18 have no common factor other than 1.