Answer:

1. how to add dissimilar fractions-Make their denominators equal using the concept of least common multiple. Then subtract their numerators accordingly. Rewrite each fraction to its equivalent fraction with a denominator equal to the LCM = 30, then subtract their numerators. Make sure to reduce your answer to the lowest term.

2. how to add mixed numbers-

1.Too add mixed numbers, we first add the whole numbers together, and then the fractions. ...

2.If the denominators of the fractions are different, then first find equivalent fractions with a common denominator before adding. ...

3.Subtracting mixed numbers is very similar to adding th