How do you write #\frac { 420} { 25}# as a decimal?

1 Answer
smendyka
Jan 23, 2018

See a solution process below:

Explanation:

One way is to first multiply the fraction by this form of #1# which will not change the value of the fraction but will make it easier to convert to a decimal:

#4/4 xx 420/4 = (4 xx 420)/(4 xx 25) = 1680/100#

Now, because the denominator is 100, to convert this to a decimal we just need to move the decimal point on the numerator two places to the left:

#1680/100 = 16.80# or #16.8#

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