Solve 1-5/12-7/16=840

$$1 - \frac { 5 } { 12 } - \frac { 7 } { 16 } = 840$$

Verify

Solution Steps

Convert 1 to fraction \frac{12}{12}.

$$\frac{12}{12}-\frac{5}{12}-\frac{7}{16}=840$$

Since \frac{12}{12} and \frac{5}{12} have the same denominator, subtract them by subtracting their numerators.

$$\frac{12-5}{12}-\frac{7}{16}=840$$

Subtract 5 from 12 to get 7.

$$\frac{7}{12}-\frac{7}{16}=840$$

Least common multiple of 12 and 16 is 48. Convert \frac{7}{12} and \frac{7}{16} to fractions with denominator 48.

$$\frac{28}{48}-\frac{21}{48}=840$$

Since \frac{28}{48} and \frac{21}{48} have the same denominator, subtract them by subtracting their numerators.

$$\frac{28-21}{48}=840$$

Subtract 21 from 28 to get 7.

$$\frac{7}{48}=840$$

Convert 840 to fraction \frac{40320}{48}.

$$\frac{7}{48}=\frac{40320}{48}$$

Compare \frac{7}{48} and \frac{40320}{48}.

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