Add 27/18 and 1/72
1st number: 1 9/18, 2nd number: 1/72
27/18 + 1/72 is 109/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
27/18 = 27 × 4/18 × 4 = 108/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Add the two like fractions:
108/72 + 1/72 = 108 + 1/72 = 109/72 - So, 27/18 + 1/72 = 109/72
In mixed form: 137/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+1/72 27/18+2/72 27/36+1/72 81/18+1/72 27/18+3/72 27/54+1/72 27/18+5/72 27/90+1/72 27/18+7/72