Add 21/3 and 6/70
1st number: 7 0/3, 2nd number: 6/70
21/3 + 6/70 is 248/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
21/3 = 21 × 70/3 × 70 = 1470/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
6/70 = 6 × 3/70 × 3 = 18/210 - Add the two like fractions:
1470/210 + 18/210 = 1470 + 18/210 = 1488/210 - 1488/210 simplified gives 248/35
- So, 21/3 + 6/70 = 248/35
In mixed form: 73/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3+6/70 21/3+12/70 21/6+6/70 63/3+6/70 21/3+18/70 21/9+6/70 21/3+30/70 21/15+6/70 21/3+42/70