Subtract the decimals by aligning the decimal points. Regroup where needed.<br><br>
&bull; 6.59 − 4.48<br>
&bull; 9 hundredths − 8 hundredths = 1 hundredth<br>
&bull; 5 tenths − 4 tenths = 1 tenth<br>
&bull; 6 ones − 4 ones = 2 ones<br>
&bull; 6.59 − 4.48 = 2.11<br>
&bull; Check: 2.11 + 4.48 = 6.59 ✓<br><br>
Final Answer: 2.11