# What is 11/5+12/10?

How much is 115 plus 1210. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 175
• 3 25
• 3.4

## Step by step solution

115 + 1210 = 3410

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

Multiples of 5 are   5, 10 ....etc

Multiples of 10 are   10 ...etc

The LCM of 5 and 10 is 10. So, the common denominator of 115 and 1210 is 10. Now change the fractions into equivalent fractions with common denominator

• 115 + 1210
• 11 * 25 * 2 + 12 * 110 * 1
• 2210 + 1210

• 2210 + 1210
• 22 + 1210
• 3410

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

Simplify

• 3410
• 175
• 3 25
1. ### Reduce fraction to its lowest terms

• 3410
• 34 ÷ 210 ÷ 2
• 175

The greatest common divisor of 34 and 10 is 2, the fraction 3410 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 2.

2. ### Convert improper fraction 175 to mixed number

• 175
• 3 25

17 divided by 5 is 3 with a remainder of 2