Add 81/9 and 84/63
1st number: 9 0/9, 2nd number: 1 21/63
81/9 + 84/63 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
81/9 = 81 × 7/9 × 7 = 567/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
84/63 = 84 × 1/63 × 1 = 84/63 - Add the two like fractions:
567/63 + 84/63 = 567 + 84/63 = 651/63 - 651/63 simplified gives 31/3
- So, 81/9 + 84/63 = 31/3
In mixed form: 101/3
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