Add 30/56 and 45/81
30/56 + 45/81 is 275/252.
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,
45/81 = 45 × 56/81 × 56 = 2520/4536 - Add the two like fractions:
2430/4536 + 2520/4536 = 2430 + 2520/4536 = 4950/4536 - 4950/4536 simplified gives 275/252
- So, 30/56 + 45/81 = 275/252
In mixed form: 123/252
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