What is 5/6 + 3/7 as a mixed number

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Someone me what is the area of this figure? 18m 18m 8m 16m

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points