Penjumlahan Pecahan dengan Berpenyebut Tidak Sama: Materi

4 Slides • 4 Questions

1

Penjumlahan Pecahan dengan Berpenyebut Tidak Sama

2

$\frac{3}{4}\ +\ \frac{1}{5}\ =.......$

Dari kedua pecahan diatas tidak dapat langsung dijumlahkan. Agar dapat dijumlahkan maka penyebutnya harus disamakan dulu.
Bagaimanakah cara menyamakannya?
Ayo Simak penjelasan berikut !

3

$\frac{3}{4}\ +\frac{1}{5}=$

Penyebut dari kedua pecahan tersebut adalah 4 dan 5. carilah Kelipatan persekutuanterkecil dari 4 dan 5.
kelipatan persekutuan terkecil dari 4 dan 5 adalah 20
4 = 4, 8, 12, 16, 20
5 = 5, 10, 15, 20
Maka $\frac{3}{4}\ =\frac{15}{20}$ dan $\frac{1}{5\ }\ =\ \frac{4}{20}$

4

Maka $\frac{3}{4}+\frac{1}{5}=\frac{15}{20}+\frac{4}{20}=\frac{19}{20}$

5

Multiple Choice

$\frac{1}{3}+\frac{3}{5}=$

1

$\frac{4}{8}$

2

$\frac{14}{15}$

3

$\frac{4}{15}$

4

$\frac{4}{5}$

6

Multiple Choice

$\frac{5}{7}+\frac{2}{3}=$

1

$\frac{19}{21}$

2

$\frac{7}{10}$

3

$\frac{7}{21}$

4

$\frac{7}{14}$

7

Multiple Choice

$\frac{1}{8}+\frac{5}{6}$

1

$\frac{6}{14}$

2

$\frac{6}{48}$

3

$\frac{23}{24}$

4

$\frac{6}{24}$

8

Multiple Choice

$1\ \frac{1}{5}+\frac{3}{4}=$

1

$\frac{42}{20}$

2

$1\ \frac{19}{20}$

3

$1\ \frac{4}{20}$

4

$1\ \frac{5}{20}$

Penjumlahan Pecahan dengan Berpenyebut Tidak Sama

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