What is 7 and 8/10 as a Decimal?

Fraction to Decimal Converter

What is 7 8/10 as a decimal?

Answer

Fraction 7 8/10 as a decimal is

7.8

Exact, terminating: 8/10 = 4/5 · denominator 5 has only 2s and 5s · 1 decimal place

Whole part 7 stays in front; divide the fraction part:

remainder	×10	= digit × 10 + new remainder	digit
8	80	8 × 10 + 0	8

The remainder reaches 0 after 1 step → 0.8 ends.

7 + 0.8 = 7.8

Fraction 7 8/10 as a decimal is 7.8

To convert 7 8/10 to a decimal, divide the numerator by the denominator, 8 ÷ 10 = 0.8, then add the whole part: 7 + 0.8 = 7.8.

In lowest terms its denominator 5 has no prime factors other than 2 and 5, so the division ends after 1 decimal place: 7 8/10 = 7.8.

Multiply by 100: 7 8/10 = 780%.