I think this is what you mean. I don't know why the Latex didn't work. Good for you that you can use it.
Reduce the 4/28 to 1/7
Make the 2 minuses into a +
56 is the common denominator.
Answer = [23 + 21 + 8] / 56 = 52 / 56 = 13 / 14 When both numerator and denominator are divided by 4
13 / 14 <<<< answer.
Answer = [23 + 21 + 8] / 56 = 52 / 56 = 13 / 14 When both numerator and denominator are divided by 4
13 / 14 <<<< answer.