Add 1/84 and 21/9
1st number: 1/84, 2nd number: 2 3/9
1/84 + 21/9 is 197/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
1/84 = 1 × 3/84 × 3 = 3/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
21/9 = 21 × 28/9 × 28 = 588/252 - Add the two like fractions:
3/252 + 588/252 = 3 + 588/252 = 591/252 - 591/252 simplified gives 197/84
- So, 1/84 + 21/9 = 197/84
In mixed form: 229/84
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