Add 30/56 and 90/81
1st number: 30/56, 2nd number: 1 9/81
30/56 + 90/81 is 415/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
30/56 = 30 × 81/56 × 81 = 2430/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
90/81 = 90 × 56/81 × 56 = 5040/4536 - Add the two like fractions:
2430/4536 + 5040/4536 = 2430 + 5040/4536 = 7470/4536 - 7470/4536 simplified gives 415/252
- So, 30/56 + 90/81 = 415/252
In mixed form: 1163/252
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