Add 30/12 and 70/10
1st number: 2 6/12, 2nd number: 7 0/10
30/12 + 70/10 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
70/10 = 70 × 6/10 × 6 = 420/60 - Add the two like fractions:
150/60 + 420/60 = 150 + 420/60 = 570/60 - 570/60 simplified gives 19/2
- So, 30/12 + 70/10 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+70/10 30/24+70/10 30/12+70/20 90/12+70/10 30/36+70/10 30/12+70/30 30/60+70/10 30/12+70/50 30/84+70/10