Add 81/28 and 2/5
1st number: 2 25/28, 2nd number: 2/5
81/28 + 2/5 is 461/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
81/28 = 81 × 5/28 × 5 = 405/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
2/5 = 2 × 28/5 × 28 = 56/140 - Add the two like fractions:
405/140 + 56/140 = 405 + 56/140 = 461/140 - So, 81/28 + 2/5 = 461/140
In mixed form: 341/140
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