# What is 24/9+25/7?

How much is 249 plus 257. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 13121
• 6 521
• 6.2381 (rounded to 4 decimals)

## Step by step solution

249 + 257 = 39363

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

Multiples of 9 are   9, 18, 27, 36, 45, 54, 63 ....etc

Multiples of 7 are   7, 14, 21, 28, 35, 42, 49, 56, 63 ...etc

The LCM of 9 and 7 is 63. So, the common denominator of 249 and 257 is 63. Now change the fractions into equivalent fractions with common denominator

• 249 + 257
• 24 * 79 * 7 + 25 * 97 * 9
• 16863 + 22563

• 16863 + 22563
• 168 + 22563
• 39363

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

Simplify

• 39363
• 13121
• 6 521
1. ### Reduce fraction to its lowest terms

• 39363
• 393 ÷ 363 ÷ 3
• 13121

The greatest common divisor of 393 and 63 is 3, the fraction 39363 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 3.

2. ### Convert improper fraction 13121 to mixed number

• 13121
• 6 521

131 divided by 21 is 6 with a remainder of 5