Add 12/30 and 30/60
12/30 + 30/60 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 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 60 × 1 = 60,
30/60 = 30 × 1/60 × 1 = 30/60 - Add the two like fractions:
24/60 + 30/60 = 24 + 30/60 = 54/60 - 54/60 simplified gives 9/10
- So, 12/30 + 30/60 = 9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30+30/60 12/60+30/60 36/30+30/60 12/30+90/60 12/90+30/60 60/30+30/60 84/30+30/60