To convert any factional number to its metric equivalent;
first change the fraction to a decimal (23/32 = divide 23 by 32 = .72)
then multiply by the conversion (1 inch = 2.54 cm or 1 inch = 25.4 mm)
1 1/2" = 1.5" X 25.4 = 38.1 mm
1 23/32" =1 (23 ÷ 32 = .72) = 1.72" X 25.4 = 43.69 mm
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