hitung hasil operasi pecahan
d.
[tex]7 \frac{1}{2 } - 9 \frac{3}{4} = \\ \frac{15}{2} - \frac{39}{4 } = \\ \frac{30}{4} - \frac{39}{4} = - \frac{9}{4} [/tex]
e.
[tex]4 \frac{2}{5} + 1 \frac{1}{2} - 2 \frac{1}{4} = \\ \frac{22}{5} + \frac{3}{2} - \frac{9}{4} = \\ \frac{88}{20} + \frac{30}{20} - \frac{45}{20} = \\ \frac{58}{20 } - \frac{45}{20 } = \frac{13}{20} [/tex]
[answer.2.content]
