(a)

Did you know that division and addition have a rhythm of their own? When you simplify , you can strategically multiply both the numerator and denominator by 10 to make it a bit easier, which gives you . This division leads to , making your next step a breeze—just add to get .

Now, for the grand finale, always remember to double-check those pesky decimals! It’s common to misplace them when doing mental math. Just keep your eyes on the number line and ensure they’re all lined up nicely. Practice makes perfect, and soon you’ll be solving these equations like a pro!