Penjelasan dengan langkah-langkah:
Nomor G
[tex] = 1 \frac{5}{7} + 2\frac{2}{3} [/tex]
[tex] = (1 + 2 ) + ( \frac{5}{7} + \frac{2}{3} )[/tex]
[tex] = 3 + ( \frac{5 \times 3 + 2 \times 7}{21} )[/tex]
[tex] = 3 + \frac{15 + 14}{21} [/tex]
[tex] = 3 + \frac{29}{21} [/tex]
[tex] = 3 + 1 + \frac{8}{21} [/tex]
[tex] = 4 + \frac{8}{21} [/tex]
[tex] = 4 \frac{8}{21} [/tex]
[tex] \: [/tex]
Nomor H
[tex] = 2 \frac{5}{8} + 1 \frac{1}{6} [/tex]
[tex] = (2 + 1) + ( \frac{5}{8} + \frac{1}{6} )[/tex]
[tex] = 3 + \frac{5 \times 3 + 1 \times 4}{24} [/tex]
[tex] = 3 + \frac{15 + 4}{24} [/tex]
[tex] = 3 + \frac{19}{24} [/tex]
[tex] = 3 \frac{19}{24} [/tex]
[tex] \: [/tex]
Nomor I
[tex] = 3 \frac{3}{10} + 2 \frac{3}{8} [/tex]
[tex] = (3 + 2 ) + ( \frac{3}{10} + \frac{3}{8} )[/tex]
[tex] = 5 + \frac{3 \times 4 + 3 \times 5}{40} [/tex]
[tex] = 5 + \frac{12 + 15}{40} [/tex]
[tex] = 5 + \frac{27}{40} [/tex]
[tex] = 5 \frac{27}{40} [/tex]
Jawaban:
g. 6 5/7
h. 3 19/24
i. 6 1/2
Penjelasan dengan langkah-langkah:
g. 1 5/7 + 2 2/3
= 12/7 + 8/3
= 12 × 3/7 × 3 + 8 × 7/3 × 7
= 92/21
= 4 8/21
h. 2 5/8 + 1 1/6
= 21/8 + 7/6
= (21 × 3)/(8 × 3) + (7 × 4)/(6 × 4)
= 63/24 + 28/24
= 91/24
= 3 19/24
i. 3 3/10 + 2 3/8
= 33/8 + 19/8
= 52/8
= 52 ÷ 4/8 ÷ 4
= 12/2
= 6 1/2
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