-2 2/7+4 3/5= Сложение отрицательных чисел

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-2 2/7 + 4 3/5 = -16/7 + 23/5

To add these fractions, we need to find a common denominator. The least common multiple of 7 and 5 is 35.

Converting -16/7 to have a denominator of 35:
-16/7 = -16 5 / 7 5 = -80/35

Converting 23/5 to have a denominator of 35:
23/5 = 23 7 / 5 7 = 161/35

Now we can add the fractions:
-80/35 + 161/35 = 81/35

Therefore, -2 2/7 + 4 3/5 = 81/35 or 2 11/35.