They're mix numbers.
Write: x = (2/41)×(111/4) = 111/82 Proof: Given: (41/2)x = 111/4 Multiply both sides by 2/41: (2/41)×(41/2)x = (2/41)(111/4) Note: (2/41)×(41/2) = 1 Note: (2/41)×(111/4) = 111/(41×2) Therefore: 1×x = x = 111/(41×2) x = 111/82 QED
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