Add 20/12 and 16/35
1st number: 1 8/12, 2nd number: 16/35
20/12 + 16/35 is 223/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
20/12 = 20 × 35/12 × 35 = 700/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
16/35 = 16 × 12/35 × 12 = 192/420 - Add the two like fractions:
700/420 + 192/420 = 700 + 192/420 = 892/420 - 892/420 simplified gives 223/105
- So, 20/12 + 16/35 = 223/105
In mixed form: 213/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+16/35 20/12+32/35 20/24+16/35 20/12+16/70 60/12+16/35 20/12+48/35 20/36+16/35 20/12+80/35 20/60+16/35 20/84+16/35