Add 70/6 and 45/7
1st number: 11 4/6, 2nd number: 6 3/7
70/6 + 45/7 is 380/21.
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,
45/7 = 45 × 6/7 × 6 = 270/42 - Add the two like fractions:
490/42 + 270/42 = 490 + 270/42 = 760/42 - 760/42 simplified gives 380/21
- So, 70/6 + 45/7 = 380/21
In mixed form: 182/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+90/7 70/12+45/7 70/6+45/14 70/18+45/7 70/6+45/21 70/30+45/7 70/6+45/35 70/42+45/7 70/6+45/49