Worked results with exact checks

Follow two common fraction calculations step by step

The first example adds unlike denominators and presents the same answer as an improper fraction, mixed number, and decimal. The second converts one reviewed fraction to a terminating decimal and percent using exact integer scaling.

Addition example5 min example

1/2 + 3/4 = 5/4 = 1 1/4

Convert one half to fourths, add the signed numerators, and verify the reduced improper, mixed, and decimal forms.

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Conversion example5 min example

5/8 = 0.625 = 62.5%

Scale eighths to thousandths to obtain the exact terminating decimal 0.625, then multiply by 100 for 62.5%.

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