Add 27/42 and 20/5
1st number: 27/42, 2nd number: 4 0/5
27/42 + 20/5 is 65/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
27/42 = 27 × 5/42 × 5 = 135/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
20/5 = 20 × 42/5 × 42 = 840/210 - Add the two like fractions:
135/210 + 840/210 = 135 + 840/210 = 975/210 - 975/210 simplified gives 65/14
- So, 27/42 + 20/5 = 65/14
In mixed form: 49/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+20/5 27/42+40/5 27/84+20/5 27/42+20/10 81/42+20/5 27/42+60/5 27/42+20/15 27/42+20/25 27/42+20/35