Add 30/10 and 9/70
1st number: 3 0/10, 2nd number: 9/70
30/10 + 9/70 is 219/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
30/10 = 30 × 7/10 × 7 = 210/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
9/70 = 9 × 1/70 × 1 = 9/70 - Add the two like fractions:
210/70 + 9/70 = 210 + 9/70 = 219/70 - So, 30/10 + 9/70 = 219/70
In mixed form: 39/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+9/70 30/10+18/70 30/20+9/70 90/10+9/70 30/10+27/70 30/10+45/70 30/50+9/70 30/10+63/70 30/70+9/70