To reduce fractions to the lowest terms, you must find the highest number that will divide into both the numerator and the denominator. Divide both the numerator by the same number and the result will be a fraction reduced to its lowest terms. Example: to reduce 7/35 to its lowest terms, find the biggest number that will divide into both the numerator and the denominator. In this case, the number would be 7. Divide as explained above 7/7 = 1 (new numerator); 35/7 = 5 (new denominator) lowest term of 7/35 is 1/5. Another example: To reduce 6/9, the highest number would be 3, follow through as explained and the lowest term is 2/3.
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By looking for comman factor both top and botton.
e.g. 4/12
'4' is a factor of both numbers. So cancel down (reduces ) by '4'
Hence
4/12 = 1/3
It is: 5.4 = 27/5 in its lowest terms
It is: 0.050 = 1/20 as a fraction in its lowest terms
Fractions and ratios sometimes need to be reduced to lower terms. Numbers never do. In fact, "lowest terms" is meaningless when you're talking about a number.
When reducing fractions to their lowest terms
When adding or subtracting fractions with different denominators and when reducing fractions to their lowest terms.