1. Rational Numbers
Grade :8
1. What number should be added to -5/8 so as to get 5/9 ?
2. What should be subtracted from -3/4 so as to get 5/6 ?
3. Evaluate : (5/63) - (-8/21)
4. The sum of two numbers is (-1/3). If one of the numbers is (-12/3) , find the other ?
5. The sum of two rational numbers is -8. If one of the numbers is (-15/7), find the other ?
6. What should be added to (1/2 + 1/3 + 1/5 ) to get 3 ?
7. What should be subtracted from (3/4 -2/3 ) to get -1/6 ?
8. Fill in the blanks : a) -9/14 + ------- = -1
b) ------ + 15/23 = 4
9. Simplify :
a) -3/2 +5/4 - 7/4
b) 5/3 -7/6 + -2/3
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