Add 40/7 and 9/70
1st number: 5 5/7, 2nd number: 9/70
40/7 + 9/70 is 409/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
40/7 = 40 × 10/7 × 10 = 400/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
9/70 = 9 × 1/70 × 1 = 9/70 - Add the two like fractions:
400/70 + 9/70 = 400 + 9/70 = 409/70 - So, 40/7 + 9/70 = 409/70
In mixed form: 559/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+9/70 40/7+18/70 40/14+9/70 40/7+27/70 40/21+9/70 40/7+45/70 40/35+9/70 40/7+63/70 40/49+9/70