Add 20/35 and 27/20
1st number: 20/35, 2nd number: 1 7/20
20/35 + 27/20 is 269/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
20/35 = 20 × 4/35 × 4 = 80/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
27/20 = 27 × 7/20 × 7 = 189/140 - Add the two like fractions:
80/140 + 189/140 = 80 + 189/140 = 269/140 - So, 20/35 + 27/20 = 269/140
In mixed form: 1129/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35+27/20 20/35+54/20 20/70+27/20 20/35+27/40 60/35+27/20 20/35+81/20 20/35+27/60