October 2015
Beginner
408 pages
7h 26m
English
or by a colon (:). So, the ratio of two numbers a and b can be written as a:b which is the same as the fraction 
, where b ≠ 0.Content preview from Fundamentals of Technical MathematicsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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2.3. Ratio, proportion, and variation
2.3.1. Ratio
A ratio (:) is the relation between two like numbers. For example, the ratio 5:7 can be written as a fraction, 5/7, or as division 5 ÷ 7. We read the ratio 5:7 as 5 to 7 or 5 per 7.
A ratio can be expressed by a fraction or by a colon (:). So, the ratio of two numbers a and b can be written as a:b which is the same as the fraction , where b ≠ 0.
or by a colon (:). So, the ratio of two numbers a and b can be written as a:b which is the same as the fraction , where b ≠ 0.Example 1
Reduce the ratio 20:35 to the lowest term.
Solution
20:35 = 4/7.
Example 2
Reduce the ratio ...
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