Multiply the substraction of 8 2/5 and 4 1/2 by 2 1/4
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Answer:
351/40
Step-by-step explanation:
8 2/5 = {(8x5)+2}/5 = {40+2}/5 = 42/5
4 1/2 = {(4x2)+1}/2 = {8+1}/2 = 9/2
2 1/4 = {(2x4)+1}/4 = {8+1}/4 = 9/4
Subtracting,
42/5 - 9/2
= (42x2)/(5x2) - (9x5)/(2x5)
= 84/10 - 45/10
= 39/10
Multiplying,
39/10 x 9/4
= 351/40
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