Add 21/6 and 9/70
1st number: 3 3/6, 2nd number: 9/70
21/6 + 9/70 is 127/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
9/70 = 9 × 3/70 × 3 = 27/210 - Add the two like fractions:
735/210 + 27/210 = 735 + 27/210 = 762/210 - 762/210 simplified gives 127/35
- So, 21/6 + 9/70 = 127/35
In mixed form: 322/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+9/70 21/6+18/70 21/12+9/70 63/6+9/70 21/6+27/70 21/18+9/70 21/6+45/70 21/30+9/70 21/6+63/70 21/42+9/70