# What is 12/24+15/12?

How much is 1224 plus 1512. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 74
• 1 34
• 1.75

## Step by step solution

1224 + 1512 = 4224

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

Multiples of 24 are   24 ....etc

Multiples of 12 are   12, 24 ...etc

The LCM of 24 and 12 is 24. So, the common denominator of 1224 and 1512 is 24. Now change the fractions into equivalent fractions with common denominator

• 1224 + 1512
• 12 * 124 * 1 + 15 * 212 * 2
• 1224 + 3024

• 1224 + 3024
• 12 + 3024
• 4224

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

Simplify

• 4224
• 74
• 1 34
1. ### Reduce fraction to its lowest terms

• 4224
• 42 ÷ 624 ÷ 6
• 74

The greatest common divisor of 42 and 24 is 6, the fraction 4224 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 6.

2. ### Convert improper fraction 74 to mixed number

• 74
• 1 34

7 divided by 4 is 1 with a remainder of 3