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Answer: [ The mixed fractions are in improper fraction form ]
1. -3/7 - 13/5 = 24/35 2. 29/8 -[-4/9] = 229/72
3. -29/9-[-14/5] = -271/5
4.
Sum of two rational numbers - 3/5.
One of the rational numbers - -2/7
Let's assume that the another number is - y
y + -2/7 = 3/5 [eg: 5 + 2 =7]
y = 3/5 -[-2/7] [eg: 5 = 7-2]
= 21/35 + 10/35 [ Take out the LCM ]
y = 3/5 + 2/7
y = 31/35
Therefore the other rational number is 31/35.
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Answer:
1.i. –3/7–2⅗ = –3/7–13/5. (LCM is 35)
–15/35–91/35 = –106/35
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