Question

aad the following fraction-20/8+7/6+5/18​

Answer 1

Answer:

20/8+7/6 +5/18

take the LCM of 8,6,18

LCM = 72

= 180+ 84+20/72

=284/72

= 142/36

= 71/18

Answer 2

Step-by-step explanation:

$\huge\bold{\gray{\sf{Answer:}}}$

Explanation:

$- \frac{20}{8} + \frac{7}{6} + \frac{5}{18}$

L.C.M of 8 ,6 and 18 is 72

$= > \frac{ - 20 \times 9 + 12 \times 7 + 5 \times 4}{72}$

$= > \frac{ - 180 + 84 + 20}{72}$

$= > \frac{ - 180 + 104}{72} = - \frac{76}{72} = - \frac{38}{36}$

$\bold{ = - \frac{19}{18}}$

Calculation :-

2▕8-6-18

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2▕4-3-9

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2▕2-3-9

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2▕1-3-9

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3▕1-1-3

L.C.M of 8,6 and 18=3×3×2×2×2=72