Add 81/28 and 30/49
1st number: 2 25/28, 2nd number: 30/49
81/28 + 30/49 is 687/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
81/28 = 81 × 7/28 × 7 = 567/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
30/49 = 30 × 4/49 × 4 = 120/196 - Add the two like fractions:
567/196 + 120/196 = 567 + 120/196 = 687/196 - So, 81/28 + 30/49 = 687/196
In mixed form: 399/196
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