Add 8/81 and 49/56
8/81 + 49/56 is 631/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 56 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 81 × 56 = 4536,
8/81 = 8 × 56/81 × 56 = 448/4536 - Likewise, for the 2nd fraction, since 56 × 81 = 4536,
49/56 = 49 × 81/56 × 81 = 3969/4536 - Add the two like fractions:
448/4536 + 3969/4536 = 448 + 3969/4536 = 4417/4536 - 4417/4536 simplified gives 631/648
- So, 8/81 + 49/56 = 631/648
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