Evaluate
\frac{1151}{4290}\approx 0.268298368
Factor
\frac{1151}{2 \cdot 3 \cdot 5 \cdot 11 \cdot 13} = 0.2682983682983683
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\frac{150}{4290}+\frac{1001}{4290}
Least common multiple of 143 and 30 is 4290. Convert \frac{5}{143} and \frac{7}{30} to fractions with denominator 4290.
\frac{150+1001}{4290}
Since \frac{150}{4290} and \frac{1001}{4290} have the same denominator, add them by adding their numerators.
\frac{1151}{4290}
Add 150 and 1001 to get 1151.
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