Add 27/7 and 9/20
1st number: 3 6/7, 2nd number: 9/20
27/7 + 9/20 is 603/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
27/7 = 27 × 20/7 × 20 = 540/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Add the two like fractions:
540/140 + 63/140 = 540 + 63/140 = 603/140 - So, 27/7 + 9/20 = 603/140
In mixed form: 443/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+9/20 27/7+18/20 27/14+9/20 27/7+9/40 81/7+9/20 27/7+27/20 27/21+9/20 27/7+9/60 27/7+45/20 27/35+9/20 27/7+63/20 27/49+9/20