Add 1/20 and 27/35
1/20 + 27/35 is 23/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
1/20 = 1 × 7/20 × 7 = 7/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
27/35 = 27 × 4/35 × 4 = 108/140 - Add the two like fractions:
7/140 + 108/140 = 7 + 108/140 = 115/140 - 115/140 simplified gives 23/28
- So, 1/20 + 27/35 = 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+27/35 1/20+54/35 1/40+27/35 1/20+27/70 3/20+27/35 1/20+81/35 1/60+27/35 5/20+27/35 7/20+27/35