Scott was 63 3/8 in tall when he started seventh grade and 65 1/4 in tall when he started eight grade. how many inches did he grow during this time?

Turn both 63 3/8 and 65 1/4 into improper fractions and subtract.

507/8 - 261/4 Make the denominators equivalent: 261/4 x 2 = 522/8

Then, subtract. 522/8 - 507/8 = 15/8 Then, turn 15/8 into a mixed number ... 15/8 = 1 7/8. Scott grew 1 7/8 inches