21/8 subtracted by 7/4 in Fraction Form

The result of 21/8 subtracted by 7/4 is: 7/8

Step-by-Step Solution

Step 1: Understand the Problem

We need to subtract the fraction 74 from 218.

Step 2: Find the Least Common Multiple (LCM)

To subtract fractions, we need a common denominator. The LCM of 8 and 4 is 8.

Step 3: Convert Fractions to Equivalent Fractions

Convert 218 to 218
Convert 74 to 148

Step 4: Subtract the Numerators

Subtract the numerators: 21 - 14 = 7

Final Answer

The result of 21/8 subtracted by 7/4 is:

21874=78

Understanding Fraction Subtraction

How to Subtract Fractions

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

abcd=adbcbd (when denominators are different)

Or simply abcb=acb (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).

Fraction Calculator

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