Here is how to convert 1 21/40 inches to cm. We will give you the fractional answer and the decimal answer. One inch is equal to 127/50 centimeters. Therefore, to get the fractional answer to 1 21/40 inches to cm, we multiply 1 21/40 inches by 127/50 and simplify if necessary.
inches × 127/50 = cm
1 21/40 × 127/50 = cm
1 21/40 × 127/50 = 3 1747/2000
1 21/40 inches = 3 1747/2000 cm
Centimeters are usually given in decimal form, so we have also converted the fractional answer to 1 21/40 inches to cm, to decimal form:
3 1747/2000 = 3.8735
1 21/40 inches = 3.8735 cm
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