1) ⅝×⅔ = ⁵/⁴×⅓ = ⁵/¹² = ¾
⁵/⁹ ⁵/⁹ ⁵/⁹
2) ¾×⅓ = ¼ = ½
½ ½
3) ⁷/¹⁵×3¾ = ⁷/¹⁵×3¾ = ⁷/⁵×¾ = ²¹/²⁰ = ⅖
2⁵/⁸ ²¹/⁸ ²¹/⁸ ²¹/⁸
4) ⁵/¹²×⅘ = ¹/¹²×4 = ⅓ = ³/² = 1½
²/⁹ ²/⁹ ²/⁹
