There is approximately 5/4 groups of four-fifths in 1.
How the number of groups of 4/5 in 1 is calculated
When dividing a whole number by a fraction, we can convert the whole number to a fraction and then use the rule: "Dividing by a fraction is the same as multiplying by its reciprocal."
To find out how many groups of four-fifths are in 1,
we divide 1 by (4/5).
= 1 ÷ 4/5
= 1* 5/4 = 5/4
= 1.25( in decimal)
Therefore, there is approximately 5/4 groups of four-fifths in 1.