# Adding fractions with like denominators

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##### Intros
###### Lessons
1. Simplify fractions: Method A - By using greatest common factors
2. Simplify fractions: Method B - By using common factors
3. How to add fractions?
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##### Examples
###### Lessons
1. Adding One-digit Fractions
Add. Then, simplify when possible.
1. $\frac{2}{5}+\frac{3}{5}$
2. $\frac{3}{4}+\frac{2}{4}$
3. $\frac{2}{9}+\frac{1}{9}$
2. Word Problems Involving One-digit Fractions
Laura and Mary are making bread for their grandchildren. They have one bag of flour. Laura needs $\frac{2}{4}$ of the bag and Mary needs $\frac{3}{4}$ of the bag. Do they have enough flour to make the bread? Show your work.
1. Abby and her 2 friends are each making one necklace. They are sharing one package each of glittery beads, clear beads and blue beads. For each necklace, they need $\frac{1}{6}$ of a package of glittery beads, $\frac{3}{6}$ of a package of clear beads and $\frac{2}{6}$ of a package of blue beads. Do they have enough beads? Show your work.
1. Adding Multiple-digit Fractions
Add. Then, simplify when possible.
1. $\frac{12}{84} + \frac{18}{84}$
2. $\frac{82}{198} + \frac{113}{198}$
3. $\frac{169}{475} + \frac{137}{475}$
4. $\frac{173}{198} + (-\frac{101}{198})$
5. $\frac{221}{345} + \frac{124}{345}$
6. $\frac{13}{140} + \frac{5}{140} + \frac{10}{140}$
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