Add 28/75 and 81/10
1st number: 28/75, 2nd number: 8 1/10
28/75 + 81/10 is 1271/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
28/75 = 28 × 2/75 × 2 = 56/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
81/10 = 81 × 15/10 × 15 = 1215/150 - Add the two like fractions:
56/150 + 1215/150 = 56 + 1215/150 = 1271/150 - So, 28/75 + 81/10 = 1271/150
In mixed form: 871/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75+81/10 28/75+81/20 84/75+81/10 28/75+81/30 28/75+81/50 28/75+81/70