Here is how to convert 30 20/42 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 30 20/42 inches to cm, we multiply 30 20/42 inches by 127/50 and simplify if necessary.
inches × 127/50 = cm
30 20/42 × 127/50 = cm
30 20/42 × 127/50 = 77 43/105
30 20/42 inches = 77 43/105 cm
Centimeters are usually given in decimal form, so we have also converted the fractional answer to 30 20/42 inches to cm, to decimal form:
77 43/105 ≈ 77.40952381
30 20/42 inches ≈ 77.40952381 cm
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