# What is 16/2+17/21?

How much is 162 plus 1721. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

• 18521
• 8 1721
• 8.8095 (rounded to 4 decimals)

## Step by step solution

162 + 1721 = 37042

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

Multiples of 2 are   2, 4, 6, 8, 10, 12, 14, 16, 18, ..., 42 ....etc

Multiples of 21 are   21, 42 ...etc

The LCM of 2 and 21 is 42. So, the common denominator of 162 and 1721 is 42. Now change the fractions into equivalent fractions with common denominator

• 162 + 1721
• 16 * 212 * 21 + 17 * 221 * 2
• 33642 + 3442

• 33642 + 3442
• 336 + 3442
• 37042

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

Simplify

• 37042
• 18521
• 8 1721
1. ### Reduce fraction to its lowest terms

• 37042
• 370 ÷ 242 ÷ 2
• 18521

The greatest common divisor of 370 and 42 is 2, the fraction 37042 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 2.

2. ### Convert improper fraction 18521 to mixed number

• 18521
• 8 1721

185 divided by 21 is 8 with a remainder of 17