First start off by: multiplying 5 * 4 = 20
Second do: 2/3 times 20 that equals 40/1 or 40 (2 times 20 / 3 times 1 = 40/1)
Third try: Dividing 40/3 (3 = 40/3 times 1/3 equals 40 times 1 / 3 times) this equals 40/9
Fourth and the Final step: Add 40/9 plus 6/7 (40 · 7
9 times 7 plus 6 times 9 / 7 times 9 = 280 /63 + 54 /63 = 280 + 54 /63 = 334 /63
The correct answer is 334/63