Math Filters Cut Sums Pick 3 The Cut Sums filter is a so called "math filter". Math filters are created through calculations. You get the sum of a number by adding up the digits within that number. The cut sum is the last digit of that sum. To show you how to calculate the Cut Sums filter for a Pick 3 number here a step by step example.
Step 1: Divide the 774 into separate digits: 774 => 7 7 4 Step 2: Add up the digits: 7 + 7 + 4 = 18 Step 3: Select only the last digit: 18 = 8
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