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Nomor 1
4/5 + 3/4
= (4 × 4)/(5 × 4) + 3/4
= 16/20 + 3/4
= 16/20 + (3 × 5)/(4 × 5)
= 16/20 + 15/20
= 31/20
= 1 11/20
Nomor 2
2/7 + 1/4
= (2 × 4)/(7 × 4) + 1/4
= 8/28 + 1/4
= 8/28 + (1 × 7)/(4 × 7)
= 8/28 + 7/28
= 15/28
Nomor 3
2/5 + 5/8
= (2 × 8)/(5 × 8) + 5/8
= 16/40 + 5/8
= 16/40 + (5 × 5)/(8 × 5)
= 16/40 + 25/40
= 41/40
= 1 1/40
Nomor 4
5/6 + 2/7
= (5 × 7)/(6 × 7) + 2/7
= 35/42 + 2/7
= 35/42 + (2 × 6)/(7 × 6)
= 35/42 + 12/42
= 47/42
= 1 5/42
Nomor 5
5/7 + 4/9
= (5 × 9)/(7 × 9) + 4/9
= 45/63 + 4/9
= 45/63 + (4 × 7)/(9 × 7)
= 45/63 + 28/63
= 73/63
= 1 10/63
[tex]\tt \tiny \color{FF97B2} \ast \: \color{lavender}{ } \color{plum}{ \:Ca \chi ella } \sf\color{violet}{ \: } \color{FF97B2} \: \ast[/tex]
[answer.2.content]
