Add 30/8 and 15/81
1st number: 3 6/8, 2nd number: 15/81
30/8 + 15/81 is 425/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
30/8 = 30 × 81/8 × 81 = 2430/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
15/81 = 15 × 8/81 × 8 = 120/648 - Add the two like fractions:
2430/648 + 120/648 = 2430 + 120/648 = 2550/648 - 2550/648 simplified gives 425/108
- So, 30/8 + 15/81 = 425/108
In mixed form: 3101/108
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