Add 54/21 and 84/9
1st number: 2 12/21, 2nd number: 9 3/9
54/21 + 84/9 is 250/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
54/21 = 54 × 3/21 × 3 = 162/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
84/9 = 84 × 7/9 × 7 = 588/63 - Add the two like fractions:
162/63 + 588/63 = 162 + 588/63 = 750/63 - 750/63 simplified gives 250/21
- So, 54/21 + 84/9 = 250/21
In mixed form: 1119/21
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