Question

Evaluate 7/20 + -17/45 + 11/30. + -8/15​

Answer 1

Answer:

−7 /36

Step-by-step explanation:

7/20 + -17/45 + 11/30 + -8/15​

Answer 2

Answer:

-35/180 or -7/36

Step-by-step explanation:

7/20 + {-17/45} + 11/30 + ( -8/15)

LCM of 20, 45, 30 and 15 = 180

Now converting each into like fraction,

1. (7/*9/20*9) = 63/180

2. (-17*4/45*4) = (-68/180)

3. (11*6/30*6) = (66/180)

4. (-8*12/15*12) = (-96/180)

now add all the terms.

63/180 + 66/180 + (-68/180) + (-96/180)

(63+66/180) + {(-68) + (-96/180)}

(129/180) + (-164/180)

-35/180 or -7/36

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