Add 1/2 and 27/20
1st number: 1/2, 2nd number: 1 7/20
1/2 + 27/20 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
1/2 = 1 × 10/2 × 10 = 10/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
27/20 = 27 × 1/20 × 1 = 27/20 - Add the two like fractions:
10/20 + 27/20 = 10 + 27/20 = 37/20 - So, 1/2 + 27/20 = 37/20
In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2+54/20 1/4+27/20 1/2+27/40 3/2+27/20 1/2+81/20 1/6+27/20 1/2+27/60 5/2+27/20 1/10+27/20 7/2+27/20 1/14+27/20