The links to all the fractions addition operations performed by users. At this moment, these operations have been grouped into six smaller data sets (distinct data sets):

Data set no. 1: Ordinary (common) math fractions added: all the operations run by users, with explanations

Data set no. 2: Ordinary (common) math fractions added: all the operations run by users, with explanations

Data set no. 3: Ordinary (common) math fractions added: all the operations run by users, with explanations

Data set no. 4: Ordinary (common) math fractions added: all the operations run by users, with explanations

Data set no. 5: Ordinary (common) math fractions added: all the operations run by users, with explanations

Data set no. 6: Ordinary (common) math fractions added: all the operations run by users, with explanations