Add 30/10 and 81/28
1st number: 3 0/10, 2nd number: 2 25/28
30/10 + 81/28 is 165/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
30/10 = 30 × 14/10 × 14 = 420/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
81/28 = 81 × 5/28 × 5 = 405/140 - Add the two like fractions:
420/140 + 405/140 = 420 + 405/140 = 825/140 - 825/140 simplified gives 165/28
- So, 30/10 + 81/28 = 165/28
In mixed form: 525/28
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