How can I subtract
- 3.4 - (-7.6)
-3.4+7.6
4.1...
Or is it 4.2?
To subtract -3.4 from -7.6, you can follow these steps:
1. Change the double negative (-3.4 - (-7.6)) to addition. Negating a negative number results in a positive number, so the equation becomes:
-3.4 + 7.6.
2. Line up the decimal points of both numbers vertically to ensure accurate calculation:
-3.4
+ 7.6
3. Subtract the numbers as you would when doing regular subtraction without decimals, starting from the right:
-3.4
+ 7.6
_________
4.2
Therefore, -3.4 - (-7.6) equals 4.2.