Add 28/81 and 72/49
1st number: 28/81, 2nd number: 1 23/49
28/81 + 72/49 is 7204/3969.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 49 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 81 × 49 = 3969,
28/81 = 28 × 49/81 × 49 = 1372/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
72/49 = 72 × 81/49 × 81 = 5832/3969 - Add the two like fractions:
1372/3969 + 5832/3969 = 1372 + 5832/3969 = 7204/3969 - So, 28/81 + 72/49 = 7204/3969
In mixed form: 13235/3969
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