Question

pls. ..........help me in this question......give answer step by step .........
i will mark as brainliest if the answer will be correct ​

Answer 1

Step-by-step explanation:

a)

-2/3+1/2+(-7/9)+7/8

= -2/3+1/2-7/9+7/8

= -4+3/6 - 56+63/72

= -1/6-119/72

= -12-119/72

= -119/72

b)

-3/4 +2/5 + (-7/12)+9/15

= -3/4+2/5-7/12+9/15

= -15+8/20-35+36/60

= -7/20-71/60

= -21-71/60

= -92/60

= -23/15

Answer 2

Answer:

a) -119/72

b) -23/15

Step-by-step explanation:

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