88/10 - 3 1/2= 1 1/4+50%= 4,5-2 5/8= Terima kasih , Pake Cara

[tex] \frac{88}{10} - \frac{7}{2 } = \frac{88 - 35}{10} = \frac{53}{10} \\ \frac{11}{4} + \frac{50}{100} = \frac{275 + 50}{100} = \frac{325}{100} = 3.25 \\ [/tex]
[tex] \frac{88}{10} - \frac{7}{2 } = \frac{88 - 35}{10} = \frac{53}{10} \\ \frac{11}{4} + \frac{50}{100} = \frac{275 + 50}{100} = \frac{325}{100} = 3.25 \\ \frac{45}{10} - \frac{21}{8} = \frac{365 - 210}{80} = \frac{155}{80} = 1.9[/tex]