4.8 <------- 4+4/5 = 20/5 + 4/5 = 24/5 which is a fraction
.4
2/5 is equivalent to 4/10 or 0.4 as a decimal
7.8 is the decimal equivalent of seven and four fifths.
Two fifths, as a fraction, is equivalent to four tenths, which is .4 as a decimal. Two fifths, as a percentage, is 40%.
You probably are asking how to write 2/5 as a decimal. 2/5 is equivalent to 4/10 or 40/100 or .4
0.40
0.2
0.8
It is 0.6
0.4
1.6
Well, isn't that a happy little question! Four fifths is actually equivalent to 0.8, not 0.45. Remember, when you have a fraction like four fifths, you can convert it to a decimal by dividing the numerator (4) by the denominator (5). Keep practicing, and soon you'll be painting with numbers like a pro!