How can I remove decimals in math?
Last Updated: 02.07.2025 01:17

* Example 1: If x=3.78x = 3.78x=3.78:
This gives you the largest integer less than or equal to xx x .
* Integer part: If you simply want to discard everything after the decimal point and keep the integer part, you can use the integer conversion or truncation function: int(x) or ⌊x⌋ (in programming)\text{int}(x) \text{ or } \lfloor x \rfloor \text{ (in programming)} int ( x ) or ⌊ x ⌋ (in programming) This function essentially chops off the decimal part of xx x without rounding.
Samsung Galaxy S26 Ultra to continue trend of disappointing batteries - PhoneArena
⌈x⌉ or ceil(x)\lceil x \rceil \text{ or } \text{ceil}(x) ⌈ x ⌉ or ceil ( x )
Considerations
Examples
* Example 2: If x=−2.56x = -2.56x=−2.56:
Method 1: Rounding
Removing decimals in math typically means converting a decimal number into a whole number or an integer. Here are a few common methods to achieve this:
Nvidia CEO Pays Tribute To Late Nintendo President Satoru Iwata In New Switch 2 Video - Kotaku
Round down: If you want to remove the decimal part completely and keep the integer part only, you can use the floor function (denoted as ⌊x⌋) or simply round down:
o Floor of xxx (⌊-2.56⌋) = -3
o Integer part of xxx = 3 (truncated)
Google’s NotebookLM now lets you share your notebook — and AI podcasts — publicly - The Verge
This will discard the decimal part and give you the integer value.
o Integer part of xxx = -2 (truncated)
o Ceil of xxx (⌈3.78⌉) = 4
Inside ‘Inside the NBA’ Transition to ESPN - Front Office Sports
* Round up: Alternatively, you can use the ceiling function (denoted as ⌈x⌉) to round up to the smallest integer greater than or equal to xx x :
* Type conversion: In programming, converting a floating-point number to an integer type will automatically truncate the decimal part. For example, in Python, you can use:
Copy code
Exclusive | Longevity Is Now a Factor When Picking an Embryo for IVF - WSJ
o Floor of xxx (⌊3.78⌋) = 3
By applying these methods, you can effectively “remove decimals” from your mathematical operations as needed.
Method 2: Truncation
China Rare-Earth Magnet Maker Gets Green Light for US Exports - Bloomberg
o Ceil of xxx (⌈-2.56⌉) = -2
* Context: The method you choose (rounding, truncation, or conversion) depends on the specific requirements of your problem, such as whether you need the nearest integer, the closest integer towards zero, or simply the integer part of the number.
Method 3: Conversion
Vinicius Jr. and Brazil Draw Blank in Ancelotti’s Debut - Managing Madrid
int(x)
python
* Precision: Be mindful of how rounding or truncation might affect your calculations, especially in contexts where precision is critical (e.g., financial calculations).
Exclusive | Kimberly-Clark Nears Roughly $3.5 Billion Sale of International Tissue Business - WSJ
⌊x⌋ or floor(x)\lfloor x \rfloor \text{ or } \text{floor}(x) ⌊ x ⌋ or floor ( x )