Add 81/12 and 21/49
1st number: 6 9/12, 2nd number: 21/49
81/12 + 21/49 is 201/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
81/12 = 81 × 49/12 × 49 = 3969/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
21/49 = 21 × 12/49 × 12 = 252/588 - Add the two like fractions:
3969/588 + 252/588 = 3969 + 252/588 = 4221/588 - 4221/588 simplified gives 201/28
- So, 81/12 + 21/49 = 201/28
In mixed form: 75/28
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