Add 30/28 and 15/81
1st number: 1 2/28, 2nd number: 15/81
30/28 + 15/81 is 475/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
30/28 = 30 × 81/28 × 81 = 2430/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
15/81 = 15 × 28/81 × 28 = 420/2268 - Add the two like fractions:
2430/2268 + 420/2268 = 2430 + 420/2268 = 2850/2268 - 2850/2268 simplified gives 475/378
- So, 30/28 + 15/81 = 475/378
In mixed form: 197/378
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