OpenStax Prealgebra 2e, 4.4 Add and Subtract Fractions with Common Denominators, exercise 11
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4.4 Exercise 11
Avg difficulty 2.5Adapted from Prealgebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Prealgebra 2e. Imported at revision 77a933c.