Here is how to convert 18/21 inch 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 18/21 inch to cm, we multiply 18/21 inch by 127/50 and simplify if necessary.
inches × 127/50 = cm
18/21 × 127/50 = cm
18/21 × 127/50 = 2 31/175
18/21 inch = 2 31/175 cm
Centimeters are usually given in decimal form, so we have also converted the fractional answer to 18/21 inch to cm, to decimal form:
2 31/175 ≈ 2.17714286
18/21 inch ≈ 2.17714286 cm
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