Add 28/18 and 1/72
1st number: 1 10/18, 2nd number: 1/72
28/18 + 1/72 is 113/72.
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,
28/18 = 28 × 4/18 × 4 = 112/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Add the two like fractions:
112/72 + 1/72 = 112 + 1/72 = 113/72 - So, 28/18 + 1/72 = 113/72
In mixed form: 141/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+1/72 28/18+2/72 28/36+1/72 84/18+1/72 28/18+3/72 28/54+1/72 28/18+5/72 28/90+1/72 28/18+7/72