A recipe calls for 2 ½ cup of flour, but Paul only has 2 ⅙. How much more flour does he need?

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A recipe calls for 2 ½ cup of flour, but Paul only has 2 ⅙. How much more flour does he need?

Convert to improper fractions
2 & 1/2 = 5/2
2 & 1/6 = 13/6

Convert 5/2 to an equivalent fraction with a denominator of 6:
15/6

We subtract 13/6 from 15/6
15/6 - 13/6 = 2/6
2/6 = 1/3