Add 28/18 and 21/25
1st number: 1 10/18, 2nd number: 21/25
28/18 + 21/25 is 539/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
28/18 = 28 × 25/18 × 25 = 700/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
21/25 = 21 × 18/25 × 18 = 378/450 - Add the two like fractions:
700/450 + 378/450 = 700 + 378/450 = 1078/450 - 1078/450 simplified gives 539/225
- So, 28/18 + 21/25 = 539/225
In mixed form: 289/225
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