Add 70/20 and 30/12
1st number: 3 10/20, 2nd number: 2 6/12
70/20 + 30/12 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
70/20 = 70 × 3/20 × 3 = 210/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Add the two like fractions:
210/60 + 150/60 = 210 + 150/60 = 360/60 - 360/60 simplified gives 6/1
- So, 70/20 + 30/12 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+60/12 70/40+30/12 70/20+30/24 70/20+90/12 70/60+30/12 70/20+30/36 70/20+30/60 70/20+30/84