How many 1/4 sheets are there in 5 sheets We divide 5 sheets by 1/4 sheets: 5/1/4 However, when we divide by a fraction, it's the same as multiplying by the reciprocal of the fraction: The reciprocal of 1/4 is 4/1, so we have: 5 * 4/1 = 20/1 = 20