Add 72/28 and 84/9
1st number: 2 16/28, 2nd number: 9 3/9
72/28 + 84/9 is 250/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
72/28 = 72 × 9/28 × 9 = 648/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
84/9 = 84 × 28/9 × 28 = 2352/252 - Add the two like fractions:
648/252 + 2352/252 = 648 + 2352/252 = 3000/252 - 3000/252 simplified gives 250/21
- So, 72/28 + 84/9 = 250/21
In mixed form: 1119/21
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