A certain recipe calls for 22 /55 cup of flour. A chef is making an amount that is 55 /77 of the recipe. How much flour should the chef use?

To find 55/77 (or any fraction) of a number, you simply multiply the fraction by the number!

(55/77) * (22/55) = (55*22) / (55*77) = 1210/4325. Since 5 goes into 1210 242 times and into 4325 865 times, it's equal to 242/865 of a cup of flour, or around 0.28 of one