Add 81/25 and 28/18
1st number: 3 6/25, 2nd number: 1 10/18
81/25 + 28/18 is 1079/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
81/25 = 81 × 18/25 × 18 = 1458/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
28/18 = 28 × 25/18 × 25 = 700/450 - Add the two like fractions:
1458/450 + 700/450 = 1458 + 700/450 = 2158/450 - 2158/450 simplified gives 1079/225
- So, 81/25 + 28/18 = 1079/225
In mixed form: 4179/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/25+56/18 81/50+28/18 81/25+28/36 81/25+84/18 81/75+28/18 81/25+28/54 81/25+28/90