7 2/5 × 3 3/4 – 3/5 × 3 3/4 berapah kah isi nya pakai cara

(7 2/5 x 3 3/4)-(3/5 x 3 3/4)
= (37/5 x 15/4)-(3/5 x 15/4)
= (37/1 x 3/4)-(3/1 x 3/4)
= 111/4 – 9/4
= 102/4
= 25 1/2