1. 0.15 + 2 1/3 - 25% = a. 1 4/20 b. 2 17/30 c. 6/30 d. 3/35 2. 1 1/4 : 1 7/9 = m bilangan pengganti m yang tepat adalah ... a. 45/64 b. 34/53 c. 36/73 d. 42/56

1. d.)6/30
2. d.) 42/56

a.
[tex] \frac{15}{100} + \frac{7}{3} - \frac{25}{100} [/tex]
[tex] \frac{3}{20} + \frac{7}{3} - \frac{1}{4} [/tex]
[tex] \frac{9 + 140 - 15}{60} = \frac{134}{60 } = 2 \times \frac{14}{60} = 2 \frac{7}{30} [/tex]
b.
[tex] \frac{11}{4} \div \frac{17}{9} = \frac{11}{4} \times \frac{9}{17} = \frac{99}{68} [/tex]