How do I write 2.9 as a fraction? - Answers

2.9 is fairly easy to convert to a fraction if you understand some basic principles of decimals and the base ten number system.Numbers are structured in the following columns:...1000's 100's 10's 1's 10ths 100ths 1000ths...So for the number 1234.567,The 1000's column contains the digit 1The 100's column contains the digit 2The 10's column contains the digit 3The 1's column contains the digit 4The 10ths column contains the digit 5The 100ths column contains the digit 6The 1000ths column contains the digit 7And for the number 12.6 (or 0012.600)The 1000's column contains the digit 0The 100's column contains the digit 0The 10's column contains the digit 1The 1's column contains the digit 2The 10ths column contains the digit 6The 100ths column contains the digit 0The 1000ths column contains the digit 0----------------One 10th can be written as the fraction 1/10As the number 2.9 contains 9 in the 10ths column, we have 0.9 = 9/10 from that column.In addition to the 0.9, we also have 2.0If we move 2 down to the 10ths column, we get 2 = 20/10Adding the two parts together, we get the fraction 29/10.Or by skipping the 2, we get the form of 2 9/10