[tex]1) \frac{3}{4} \times 120 = 3 \times 30 = 90[/tex]
[tex] \frac{3}{4} \times 80 = 3 \times 20 = 60[/tex]
[tex] \frac{3}{4} \times 240 = 3 \times 60 = 180[/tex]
[tex] \frac{3}{4} \times 16 = 3 \times 4 = 12[/tex]
[tex]2) \frac{3}{6} \times 48 = 3 \times 8 = 24[/tex]
[tex] \frac{3}{6} \times 30 = 3 \times 5 = 15[/tex]
[tex] \frac{3}{6} \times 24 = 3 \times 4 = 12[/tex]
[tex] \frac{3}{6} \times 42 = 3 \times 7 = 21[/tex]
[tex]3) \frac{7}{8} \times 240 = 7 \times 30 = 210[/tex]
[tex] \frac{7}{8} \times 720 = 7 \times 90 = 630[/tex]
[tex] \frac{7}{8} \times 480 = 7 \times 60 = 420[/tex]
[tex] \frac{7}{8} \times 560 = 7 \times 70 = 490[/tex]
[tex]4) \frac{6}{9} \times 270 = 6 \times 30 = 180[/tex]
[tex] \frac{6}{9} \times 360 = 6 \times 40 = 240[/tex]
[tex] \frac{6}{9} \times 450 = 6 \times 50 = 300[/tex]
[tex] \frac{6}{9} \times 630 = 6 \times 70 = 420[/tex]
[tex]5) \frac{3}{5} \times 300 = 3 \times 60 = 180[/tex]
[tex] \frac{3}{5} \times 450 = 3 \times 90 = 270[/tex]
[tex] \frac{3}{5} \times 250 = 3 \times 50 = 150[/tex]
[tex] \frac{3}{5} \times 100 = 3 \times 20 = 60[/tex]
