Add 4/30 and 30/12
1st number: 4/30, 2nd number: 2 6/12
4/30 + 30/12 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
4/30 = 4 × 2/30 × 2 = 8/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Add the two like fractions:
8/60 + 150/60 = 8 + 150/60 = 158/60 - 158/60 simplified gives 79/30
- So, 4/30 + 30/12 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+30/12 4/30+60/12 4/60+30/12 4/30+30/24 12/30+30/12 4/30+90/12 4/90+30/12 4/30+30/36 20/30+30/12 4/30+30/60 28/30+30/12 4/30+30/84