Here is how to convert 21/30 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 21/30 inch to cm, we multiply 21/30 inch by 127/50 and simplify if necessary.
inches × 127/50 = cm
21/30 × 127/50 = cm
21/30 × 127/50 = 1 389/500
21/30 inch = 1 389/500 cm
Centimeters are usually given in decimal form, so we have also converted the fractional answer to 21/30 inch to cm, to decimal form:
1 389/500 = 1.778
21/30 inch = 1.778 cm
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