Using suitable arrangement find the sum:5/7+(-4/9)+2/7+(-13/9)
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Step-by-step explanation:
(-4/9)+(-13/9)+2/7
-17/9+2/7
LCM of 9and 7
9&7=3×3×7=63
-17/9×7/7=-119/63
2/7×9/9=18/63
-119/63+18/63
-101/63 answer
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