Mixed Number — 1 1/3 — free printable diagram

What is 1 1/3 as an improper fraction?

1 1/3 is a mixed number — 1 whole and one third. Written as an improper fraction it is 4/3, and as a decimal it is about 1.333.

Mixed number

1 1/3

Improper fraction

4/3

Whole part

1

Fraction part

1/3

As a decimal

≈ 1.333

• To turn a mixed number into an improper fraction, multiply the whole number by the denominator and add the numerator, keeping the same denominator: (1 × 3) + 1 = 4, so 1 1/3 = 4/3.
• Going the other way, divide the top by the bottom: 4 ÷ 3 = 1 remainder 1, which is 1 whole and 1/3 left over.
• As a decimal, 1 1/3 is about 1.333.
• The picture shows 1 complete shape shaded plus one third of one more, which is what a mixed number is: a whole number and a fraction written together.