20/45 as a percentage is 44.44%. This rounded figure gives a quick sense of how the fraction compares to a whole. It’s a handy number to remember for everyday calculations.
The fraction 20/45 can be simplified to 4/9, which still represents the same part of a whole. Seeing it in this reduced form helps when you need to compare it to other common fractions like 1/2 or 3/4.
In real life, you might use 44.44% to estimate portions, such as a recipe that calls for 45 grams of an ingredient but you only have 20 grams. It’s also useful when looking at scores, discounts, or any situation where a part‑to‑whole relationship matters.
