Add 70/6 and 9/7
1st number: 11 4/6, 2nd number: 1 2/7
70/6 + 9/7 is 272/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
70/6 = 70 × 7/6 × 7 = 490/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
9/7 = 9 × 6/7 × 6 = 54/42 - Add the two like fractions:
490/42 + 54/42 = 490 + 54/42 = 544/42 - 544/42 simplified gives 272/21
- So, 70/6 + 9/7 = 272/21
In mixed form: 1220/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+18/7 70/12+9/7 70/6+9/14 70/6+27/7 70/18+9/7 70/6+9/21 70/6+45/7 70/30+9/7 70/6+9/35 70/6+63/7 70/42+9/7 70/6+9/49