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@ -223,9 +223,33 @@ |
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} |
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} |
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} |
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} |
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// Highest common factor |
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function hcf($a, $b){ |
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$gcd = 1; |
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if ($a>$b) { |
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$a = $a+$b; |
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$b = $a-$b; |
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$a = $a-$b; |
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} |
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if ($b==(round($b/$a))*$a) |
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$gcd=$a; |
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else { |
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for($i=round($a/2);$i;$i--) { |
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if ($a == round($a/$i)*$i && $b == round($b/$i)*$i) { |
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$gcd = $i; |
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$i = false; |
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} |
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} |
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} |
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return $gcd; |
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} |
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function fraction($numerator, $denominator, $sep) { |
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function fraction($numerator, $denominator, $sep) { |
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$fraction = Array($numerator, $denominator); |
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$gcf = hcf($numerator, $denominator); |
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return "{$fraction[0]}{$sep}{$fraction[1]}"; |
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$numerator = $numerator / $gcf; |
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$denominator = $denominator / $gcf; |
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return "{$numerator}{$sep}{$denominator}"; |
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} |
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} |
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/*********************************************/ |
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/*********************************************/ |
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