5¼ - 4½
5×4+1/4 - 4×2+1/2
21/4 - 9/2
21/4 - 9×2/2×2
21/4 - 18/4
21-18/4
3/4
¾
5 1/4 - 4 1/2
= 21/4 - 9/2
= (21 × 2) / (4 × 2) - (9 × 4) / (2 × 4)
= 42/8 - 36/8
= 6/8 = 0,75
koreksi
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5¼ - 4½
5×4+1/4 - 4×2+1/2
21/4 - 9/2
21/4 - 9×2/2×2
21/4 - 18/4
21-18/4
3/4
¾
5 1/4 - 4 1/2
= 21/4 - 9/2
= (21 × 2) / (4 × 2) - (9 × 4) / (2 × 4)
= 42/8 - 36/8
= 6/8 = 0,75
koreksi