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To simplify the fraction we require to find a #color(blue)"common factor"# to both 4 and 100 and reduce the fraction by dividing. The common factors are 2 and 4 . The common factors are 2 and 4 . Choose the largest, that is 4
Dividing #4# by #10# (or #2# by #5#) will yield #0.4#, meaning that all you have to do is write out the division problem as a fraction, like this. #4/10# Simplifying this fraction by dividing both the numerator and denominator by #2# will yield the fraction #2/5# , which also equals #0.4# .
4/10 or 2/5 Consider 4 as numerator and since 4 is in the tens or tenths consider the denominator 10. You'll get 4/10, 2/5 when simplified.
What would be the result of dividing the diameter of a circle into 8 equal parts (expressed as a fraction), squaring the length of one part, and multiplying the result by 20? What is 7/8 as a decimal rounded to the nearest hundredth?
.004 and 4/1000 Begin by moving the decimal two places to the left which will change the percent to a decimal. 0.4% .004 This is now 4 out of 1000 4/1000
3 1/4 = 13/4 To convert a mixed fraction to an improper one, we must transfer the whole number into the numerator of the fraction. To do this, we convert the whole number 3 into a fraction with common denominator of 4: 3 -> 12/4 Since 3 1/4 = 3+1/4, our final step is to add the fractions together, giving us the desired improper fraction: 12/4+1/4=13/4
2.4=2 4/10 The 2 is in the ones place, and the 4 is in the tenths place. 2.4 means two and four tenths. So in fraction form it is 2 4/10.
To change a fraction into a decimal there are two methods: Method 1. Find an equivalent fraction with the denominator as a power of 10. 10 is not divisible by 4, so change 4 into 100. Do the same to the numerator and denominator. #3/4 xx 25/25 = 75/100# #75/100 " can now be written as "0.75 or 75%# Method 2: #3/4 # means #3 div 4#
8 2/5 or 42/5 Write 8.4 as a fraction. The first place to the right of the decimal is the tenths place, so 8.4 = 8 4/10 Reduce 4/10 by dividing the numerator and denominator by 2 4/10 = 2/5 8.4 = 8 4/10 = 8 2/5 8 2/5 can also be written as an improper fraction. Multiply the whole number 8 by the denominator 5 and add the product to the numerator 2. 8 *5= 40 then 40 +2 = 42 8.4 = 8 4/10 = 8 2/5 ...
2 1/4 = 9/4 From mixed fraction to an improper fraction: "the numerator of the improper fraction" = "denominator" xx "the whole number" + "the numerator of the mixed fraction" The denominator remains as it is.