Matching of each addition operation with their correct sum is;
1) -24⁵/₉ + 30⁷/₉ → 6²/₉
2) 45²/₉ + 39³/₉ → 84⁵/₉
3) 28.98 + (-52.22) → -23.24
4) 56.75 + 75.12 → 131.87
How to carry out addition operation?
1) We want to add the fractions;
-24⁵/₉ + 30⁷/₉
= -221/9 + 277/9
= ¹/₉(-221 + 277)
= 56/9
= 6²/₉
2) We want to add the fractions;
45²/₉ + 39³/₉
= 407/9 + 354/9
= 761/9
= 84⁵/₉
3) We want to add the decimals;
28.98 + (-52.22)
= 28.98 - 52.22
= -23.24
4) We want to add the decimals;
56.75 + 75.12
= 131.87
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