Add 28/18 and 21/28
1st number: 1 10/18, 2nd number: 21/28
28/18 + 21/28 is 83/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
28/18 = 28 × 14/18 × 14 = 392/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
21/28 = 21 × 9/28 × 9 = 189/252 - Add the two like fractions:
392/252 + 189/252 = 392 + 189/252 = 581/252 - 581/252 simplified gives 83/36
- So, 28/18 + 21/28 = 83/36
In mixed form: 211/36
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