Add 12/20 and 20/35
12/20 + 20/35 is 41/35.
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,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
20/35 = 20 × 4/35 × 4 = 80/140 - Add the two like fractions:
84/140 + 80/140 = 84 + 80/140 = 164/140 - 164/140 simplified gives 41/35
- So, 12/20 + 20/35 = 41/35
In mixed form: 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+20/35 12/20+40/35 12/40+20/35 12/20+20/70 36/20+20/35 12/20+60/35 12/60+20/35 60/20+20/35 84/20+20/35