7. John is cooking cupcakes. The recipe calls for 3 3/10

Question

cups of flour. He accidentally put in 35/8

cups of flour. How many extra cups did he put in

Answer 1

To find the extra cups of flour John put in, we need to subtract the correct amount of flour from the amount he actually put in.

To subtract 3 3/10 cups from 35/8 cups, we need to convert them to the same denominator:

3 3/10 = 30/10 + 3/10 = 33/10

Now, we can subtract:

35/8 - 33/10 = ((35 * 10) - (33 * 8)) / (8 * 10) = (350 - 264) / 80 = 86/80

Simplifying the fraction, we get:

86/80 = 43/40

So, John accidentally put in an extra 43/40 cups of flour.