Expressed as a mixed number in its simplest form, 18 x 3/7 = 7 5/7 or seven and five sevenths. Expressed as a decimal, this is equal to 7.714285 recurring (that is, 7.714285714285...)
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It is: 3/7 times -42 = -18
18 is.
-42 / 7/3 = -18 To divide by a fraction, you multiply by the reciprocal of the fraction. the reciprocal of seven thirds is three sevenths. Negative 42 times three sevenths equals negative 18.
One fourth times three sevenths is calculated by multiplying the numerators and denominators: ( \frac{1}{4} \times \frac{3}{7} = \frac{1 \times 3}{4 \times 7} = \frac{3}{28} ). Therefore, one fourth times three sevenths equals three twenty-eighths.