A. 4/7 + 2/7 =...
B. 2/4 + 1/4 =...
C. 11/16 + 7/16 =...
D. 1/7 + 3/7 + 2/7 =...
E. 3/11 + 9/11 + 1/11 =...
2. Hitunglah hasil penjumlahan pecahan biasa dan campuran di bawah ini!
A. 3/4 + 1 2/4 =...
B. 2/5 + 5 4/5 =...
C. 12/13 + 3 1/13 =...
D. 1/3 + 4 1/3 =...
E. 1/5 + 4/5 + 1 2/5 =...
3. Hitunglah hasil penjumlahan pecahan campuran dibawah ini!
A. 1 2/6 + 3 5/6 =...
B. 1 2/4 + 2 1/4 =...
C. 3 5/6 + 1 1/6 =...
D. 2 2/9 + 1 1/9 + 2 3/9 =...
E. 2 7/8 + 1 5/8 + 1 1/8 =...
Jawaban:
1. Hitunglah hasil penjumlahan pecahan biasa di bawah ini!
[tex]a) \frac{4}{7} + \frac{2}{7} \\ = \frac{6}{7} [/tex]
[tex]b) \frac{2}{4} + \frac{1}{4} \\ = \frac{3}{4} [/tex]
[tex]c) \frac{11}{16} + \frac{7}{16} \\ = \frac{18}{16} \\ = \frac{9}{8} \\ = 1\frac{1}{8} [/tex]
[tex]e) \frac{3}{11} + \frac{9}{11} + \frac{1}{11} \\ = \frac{13}{11} \\ = 1 \frac{2}{11} [/tex]
[tex]d) \frac{1}{7} + \frac{3}{7} + \frac{2}{7} \\ = \frac{6}{7} \\ = 1 \frac{1}{7} [/tex]
2. Hitunglah hasil penjumlahan pecahan biasa dan campuran di bawah ini!
[tex]a) \frac{3}{4} + 1 \frac{2}{4} \\ = \frac{3}{4} + \frac{6}{4} \\ = \frac{9}{4} \\ = 2 \frac{1}{4} [/tex]
[tex]b) \frac{2}{5} + 5 \frac{4}{5} \\ = \frac{2}{5} + \frac{29}{5} \\ = \frac{31}{5} \\ = 6 \frac{1}{5} [/tex]
[tex]d) \frac{1}{3} + 4 \frac{1}{3} \\ = \frac{1}{3} + \frac{13}{3} \\ = \frac{14}{3} \\ = 4 \frac{1}{3} [/tex]
[tex]c) \frac{12}{13} + 3 \frac{1}{13} \\ = \frac{12}{13} + \frac{40}{13} \\ \frac{52}{13} \\ = 4 [/tex]
[tex]e) \frac{1}{5} + \frac{4}{5} + 1 \frac{2}{5} \\ = \frac{1}{5} + \frac{4}{5} + \frac{7}{5} \\ = \frac{12}{5} \\ = 2 \frac{2}{5} [/tex]
3. Hitunglah hasil penjumlahan pecahan campuran dibawah ini!
[tex]a)1 \frac{2}{6 } + 3 \frac{5}{6} \\ = \frac{8}{6} + \frac{23}{6} \\ = \frac{31}{6} \\ = 5 \frac{1}{6} [/tex]
[tex]b)1 \frac{2}{4} + 2 \frac{1}{4} \\ = \frac{6}{4} + \frac{9}{4} \\ = \frac{15}{4} \\ = 3 \frac{3}{4} [/tex]
[tex]c)3 \frac{5}{6} + 1 \frac{1}{6} \\ = \frac{23}{6} + \frac{7}{6} \\ = \frac{30}{6} \\ = 5[/tex]
[tex]d)2 \frac{2}{9} + 1 \frac{1}{9} + 2 \frac{3}{9} \\ = \frac{20}{9} + \frac{10}{9} + \frac{21}{9} \\ = \frac{51}{9} \\ = 5 \frac{6}{9} [/tex]
[tex]e)2 \frac{7}{8} + 1 \frac{5}{8} + 1 \frac{1}{8} \\ = \frac{23}{8} + \frac{13}{8} + \frac{9}{8} \\ \frac{45}{8} \\ = 5 \frac{5}{8} [/tex]
