5/6-5/4= 4/5+6/10= 1/7×5/8= 12/6×7/12= 1/4×6/12=

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5/6-5/4=
4/5+6/10=
1/7×5/8=
12/6×7/12=
1/4×6/12=

Jawaban:

30/6-45/6= -15/6

8/35

144/42

12/24

Penjelasan dengan langkah-langkah:

pecahannya disamakan dulu penyebutnya

Penjelasan dengan langkah-langkah:

5.4/6.4 – 5.6/4.6

= 20/24 – 30/24 = -10/24

= -5/12

4/5 + 6/10

= 4.2/5.2 + 6/10

= 8/10 + 6/10 = 14/10 = 7/5

1/7 × 5/8 = 5/56

12/6 × 7/12 = 7/6

1/4 × 6/12 = 6/48 = 1/8