Respuesta :

Answer:

Randy just added up the numbers on the numerator and denominator.

This is incorrect.

Correct way of adding the fractions given below:

  • 7/8 + 9/15 =                      ⇒ Simplify the second equation, divide by 3)
  • 7/8 + 3/5 =
  • 5*7/5*8 + 8*3/8*5 =         ⇒ Bring both fractions to common denominator of 40
  • 35/40 + 24/40 =              ⇒ Add up the numbers in the nominator
  • 54/40 =                            ⇒ Simplify by dividing by 2
  • 27/20 =
  • 1 7/20                               ⇒ Convert to mixed fraction