C2c
Practice - Multiplying & Dividing Fractions
TRY TO ANSWER IN TWO AND A HALF MINUTES
QUESTIONS
QUESTIONS
1. Multiply 7/8 times 4-1/2.
2. Divide 3-3/4 by 1-1/2.
3. Multiply 3-5/6 times 3/4.
4. Divide 750 by 1-2/3.
ANSWERS
1. 4-1/2 is 9/2. 9/2 x 7/8 = 63/16.
2. 3-3/4 is 15/4. 1-1/2 is 3/2. (15/4)/(3/2) = 15/4 x 2/3 = 30/12 = 5/2.
3. 3-5/6 is 23/6. 23/6 x 3/4 = 69/24 = 23/8.
4. 1-2/3 is 5/3. 750 / (5/3) = 750 x 3/5 = 450.
CALCULATOR STEPS
1. Press on and clear. Press n/d. Key in 7. Press down. Key in 8. Press right. Press x . Press 2nd and n/d. Key in 4. Press right. Key in 1. Press down. Key in 2. Press right. Press enter. The screen should show " 63/16 "
2. Press on and clear. Press 2nd and n/d. Key in 3. Press right. Key in 3. Press down. Key in 4. Press right. Press ÷. Press 2nd and n/d. Key in 1. Press right. Key in 1. Press down. Key in 2. Press right. Press enter. The screen should show " 5/2".
3. Press on and clear. Press 2nd and n/d. Key in 3. Press right. Key in 5. Press down. Key in 6. Press right. Press x . Press n/d. Key in 3. Press down. Key in 4. Press right. Press enter. The screen should show " 23/8".
4. Press on and clear. Key in 750. Press ÷ . Press 2nd and n/d. Key in 1. Press right. Key in 2. Press down. Key in 3. Press right. Press enter. The screen should show "450".
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