Fractions & Decimals Flashcards
How do we turn tenths (1/10) into decimals?
0 point the numerator
1/10 = 0.1 2/10 = 0.2 3/10 = 0.3
How do we turn fifths (1/5) into decimals?
0 point (numerator x2)
1/5 = 0.2 2/5 = 0.4 3/5 = 0.6
What is 1/4 1/2 3/4 as decimals?
1/4 = 0.25 1/2 = 0.5 3/4 = 0.75
How are most decimals worked out?
numerator / denominator
4/5 = 0.8
How do you change an improper fraction into a mixed fraction?
Look at how many of the denominator go into the numerator and use that as the new numerator and the remainder is placed as a big number tot the left while we keep the denominator the same .
Example of changing an improper fraction to a mixed fraction..
9/4 The closet 4 multiple to 9 is 8 So there is 1 remainder from 9 and 8 and 8 is 2x4 therefore it will be laid out as 2 1/4
How do you change an mixed fracrtion into a improper fraction?
Times the big number and the denominator then add the numerator for the numerator and keep the denominator the same
Example of changing an mixed fraction into a improper fraction…
2 1/4
2 x 4 = 8
8 + 1 = 9
9/4
How do we change a mixed fracrion into a decimal?
Find the decimal off the fraction withoubt the big number and then
put the big number before the point
Example of changing a mixed fraction into a decimal…
2 1/4
1 / 4 = 0.25
then add the 2 before the decimal
2.25