How do change 1 and 1/4 into a decimal

Okay leave to whole one alone. Now divide the numerator (top number) by the denominator (bottom number) 1:4=.25 now add the whole one to it and it would be 1.25. Answer:1:4=.25, 1+.25=1.25

Its 1.25

since the fraction is out of fourths, consider it as a quarter. 1 quarter equals. 25

and the whole is 1 whole dollar. 1 whole dollar is made up of 4 quarters.

there for 1 1/4 is equal to 1.25