Add 27/10 and 35/20
1st number: 2 7/10, 2nd number: 1 15/20
27/10 + 35/20 is 89/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
27/10 = 27 × 2/10 × 2 = 54/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
35/20 = 35 × 1/20 × 1 = 35/20 - Add the two like fractions:
54/20 + 35/20 = 54 + 35/20 = 89/20 - So, 27/10 + 35/20 = 89/20
In mixed form: 49/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+35/20 27/10+70/20 27/20+35/20 27/10+35/40 81/10+35/20 27/30+35/20 27/10+35/60 27/50+35/20 27/70+35/20