4.3 Add and Subtract Like Fractions Objective:​ to add and subtract fractions with like denominators. Vocabulary: ❖like fractions ­ fractions that have the same denominator ★ To add or subtract like fractions, add or subtract the numerators and write the result over the denominator. Simplify if possible. Examples: a.
b. c.
d. e. Eduardo used fabric to make three costumes. He used yard for the first, ​ yard for the second, and ​yard for the third costume. How much fabric did Eduardo use altogether? f.
g.
h.
Assignment: p.287 ­ 290, #1 ­ 9 all and #15­27 Answer: a) 1 b) − 27 c) − 45 d) 0 e) 1 12 yards 1
f)
3 g) − 79 h) − 12