Add 12/30 and 5/20
12/30 + 5/20 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
12/30 = 12 × 2/30 × 2 = 24/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
5/20 = 5 × 3/20 × 3 = 15/60 - Add the two like fractions:
24/60 + 15/60 = 24 + 15/60 = 39/60 - 39/60 simplified gives 13/20
- So, 12/30 + 5/20 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30+5/20 12/30+10/20 12/60+5/20 12/30+5/40 36/30+5/20 12/30+15/20 12/90+5/20 12/30+5/60 60/30+5/20 12/30+25/20 84/30+5/20 12/30+35/20