Add 70/20 and 30/6
1st number: 3 10/20, 2nd number: 5 0/6
70/20 + 30/6 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 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 6 × 10 = 60,
30/6 = 30 × 10/6 × 10 = 300/60 - Add the two like fractions:
210/60 + 300/60 = 210 + 300/60 = 510/60 - 510/60 simplified gives 17/2
- So, 70/20 + 30/6 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+60/6 70/40+30/6 70/20+30/12 70/20+90/6 70/60+30/6 70/20+30/18 70/20+30/42