Add 18/7 and 27/70
1st number: 2 4/7, 2nd number: 27/70
18/7 + 27/70 is 207/70.
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,
18/7 = 18 × 10/7 × 10 = 180/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
27/70 = 27 × 1/70 × 1 = 27/70 - Add the two like fractions:
180/70 + 27/70 = 180 + 27/70 = 207/70 - So, 18/7 + 27/70 = 207/70
In mixed form: 267/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+27/70 18/7+54/70 18/14+27/70 54/7+27/70 18/7+81/70 18/21+27/70 90/7+27/70 18/35+27/70 18/49+27/70