Add 7/5 and 81/28
1st number: 1 2/5, 2nd number: 2 25/28
7/5 + 81/28 is 601/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
7/5 = 7 × 28/5 × 28 = 196/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
81/28 = 81 × 5/28 × 5 = 405/140 - Add the two like fractions:
196/140 + 405/140 = 196 + 405/140 = 601/140 - So, 7/5 + 81/28 = 601/140
In mixed form: 441/140
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