Add 27/10 and 20/80
1st number: 2 7/10, 2nd number: 20/80
27/10 + 20/80 is 59/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
27/10 = 27 × 8/10 × 8 = 216/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Add the two like fractions:
216/80 + 20/80 = 216 + 20/80 = 236/80 - 236/80 simplified gives 59/20
- So, 27/10 + 20/80 = 59/20
In mixed form: 219/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+20/80 27/10+40/80 27/20+20/80 81/10+20/80 27/10+60/80 27/30+20/80 27/50+20/80 27/70+20/80