Evaluate: (2/11 x -22/15) + (-1/6 x 3/4) + (-1/21 x -3/5)
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Answer:
(2/11 ×-22/15)+(-1/6× 3/4)+ (-1/21×-3/5)
=(-4/15)+(-1/8)+1/35
=-4/15-1/8+1/35
LCM of 15,8 and 35:
5 | 15,8,35
| 3,8,7
=5×3×8×7=840
=-4×56-1×105+1×24/840
=-224-105+24/840
=-329+24/840
=-305/840
=-61/168 ans
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