# What is 24/8+2/21?

How much is 248 plus 221. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 6521
• 3 221
• 3.0952 (rounded to 4 decimals)

## Step by step solution

248 + 221 = 520168

1. ### Find common denominator by finding the Least Common Multiple(LCM)

Multiples of 8 are   8, 16, 24, 32, 40, 48, 56, 64, ..., 168 ....etc

Multiples of 21 are   21, 42, 63, 84, 105, 126, 147, 168 ...etc

The LCM of 8 and 21 is 168. So, the common denominator of 248 and 221 is 168. Now change the fractions into equivalent fractions with common denominator

• 248 + 221
• 24 * 218 * 21 + 2 * 821 * 8
• 504168 + 16168

• 504168 + 16168
• 504 + 16168
• 520168

Add the numerators and place the sum over the common denominator.

Simplify

• 520168
• 6521
• 3 221
1. ### Reduce fraction to its lowest terms

• 520168
• 520 ÷ 8168 ÷ 8
• 6521

The greatest common divisor of 520 and 168 is 8, the fraction 520168 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 8.

2. ### Convert improper fraction 6521 to mixed number

• 6521
• 3 221

65 divided by 21 is 3 with a remainder of 2