127/4 subtracted by 21/2 in Fraction Form

The result of 127/4 subtracted by 21/2 is: 21 1/4

Step-by-Step Solution

Step 1: Understand the Problem

We need to subtract the fraction $\frac{2}{1} 2$ from $\frac{1}{2} 74$ .

Step 2: Find the Least Common Multiple (LCM)

To subtract fractions, we need a common denominator. The LCM of 4 and 2 is 4.

Step 3: Convert Fractions to Equivalent Fractions

Convert $\frac{1}{2} 74$ to $\frac{127}{4}$
Convert $\frac{2}{1} 2$ to $\frac{42}{4}$

Step 4: Subtract the Numerators

Subtract the numerators: 127 - 42 = 85

Step 5: Convert to Mixed Number

The fraction $\frac{8}{5} 4$ can be written as the mixed number $21 \frac{1}{4}$ .

Final Answer

The result of 127/4 subtracted by 21/2 is:

\frac{127}{4} - \frac{21}{2} = 21 \frac{1}{4}

Understanding Fraction Subtraction

How to Subtract Fractions

To subtract fractions, you need to ensure they have a common denominator. Then subtract the numerators:

$\frac{a}{b} - \frac{c}{d} = \frac{a d - b c}{b d}$ (when denominators are different)

Or simply $\frac{a}{b} - \frac{c}{b} = \frac{a - c}{b}$ (when denominators are the same)

Why Simplify Fractions?

Simplifying fractions makes them easier to work with and understand. A fraction is in its simplest form when the numerator and denominator have no common factors other than 1.

To simplify a fraction, divide both the numerator and denominator by their greatest common divisor (GCD).

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