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Answer:
1.) 16 over 4 or 4 over 4 or 1
2.) three fifth
3.) eight and one fifth
4.) five over three
5.) four over one or four
Verified answer
Answer:
1. 9/4 + 7/4
16/4 ÷ 4/4
= 4
2. 4/5 - 7/5
= -3/5
3. 12 2/5 - 4 1/5
12×5+2/5 - 4×5+1/5
62/5 - 21/5
= 41/5 or 8 1/5
4. 8/3 - 2/3 + (-1/3)
8/3 - 2/3 - 1/3
= 5/3 or 1 2/3
5. 10 - 1/2
10×2/1×2 - 1/2
20/2 - 1/2
= 19/2 or 9 1/2
6. (-4/5 ÷ 1/2) × (-6)
(-4/5 × 2) × (-6)
(-4÷2/5 × 2÷2) × (-6)
(-2/5 × 1/1) × (-6)
(-2/5)× (-6)
= 12/5 or 2 2/5
7. -5/6 × 2/3 × (-12/15)
-10/18 × (-12/15)
120/270 ÷ 30/30
= 4/9
8. (4/5 × 1/3) ÷ (-3/4)
4/15 ÷ (-3/4)
4/15 × -4/3
= -16/45
9. (3 3/4 - 2 7/8) ÷ 3/16
(3×4+3/4 - 2×8+7/8) ÷ 3/16
(15/4 - 23/8) ÷ 3/16
(15×2/4×2 - 23/8) ÷ 3/16
(30/8 - 23/8) ÷ 3/16
7/8 ÷ 3/16
7/8 × 16/3
7/8÷8 × 16÷8/3
7/1 × 2/3
= 14/3 or 4 2/3
10. (2/5 + 3 3/5) ÷ (4 4/5 × 2/3)
(2/5 + 3×5+3/5) ÷ (4×5+4/5 × 2/3)
(2/5 + 18/5) ÷ (24/5 × 2/3)
20/5 ÷ 48/15
20/5 × 15/48
20÷4/5÷5 × 15÷5/48÷4
5/1 × 3/12
5 × 3/12
=15/12 or 1 3/12