4. Subtract.a)c) 21.3e) 6-1b) -14 2d) 9-216 321 7f)

1.	4. Subtract.a)c) 21.3e) 6-1b) -14 2d) 9-216 321 7f)
Answer» a) 8/7 - 1/2 = (8×2-7)/2×7 = 9/14 b) 5 3/5 - 1 1/4 = 28/5 - 5/4 = (28×4-5×5)/5×4 = 87/20 c) 2 1/3 - 3/7 = 7/3 - 3/7 = (7×7-3×3)/(3×7) = 40/21 d) 9 4/5 - 2 3/5 = 49/5 - 13/5 = 36/5 e) 6 4/3 - 1 1/2 = 22/3 - 3/2 = (22×2-3×3)/6 = 35/6 f) 16/21 - 3/7 = (16-9)/21 = 7/21 = 1/3 If you find this answer helpful then like it. So much time

Answer»

a) 8/7 - 1/2 = (8×2-7)/2×7 = 9/14 b) 5 3/5 - 1 1/4 = 28/5 - 5/4 = (28×4-5×5)/5×4 = 87/20 c) 2 1/3 - 3/7 = 7/3 - 3/7 = (7×7-3×3)/(3×7) = 40/21 d) 9 4/5 - 2 3/5 = 49/5 - 13/5 = 36/5 e) 6 4/3 - 1 1/2 = 22/3 - 3/2 = (22×2-3×3)/6 = 35/6 f) 16/21 - 3/7 = (16-9)/21 = 7/21 = 1/3

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4. Subtract.a)c) 21.3e) 6-1b) -14 2d) 9-216 321 7f)

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