Add 54/56 and 12/81
54/56 + 12/81 is 841/756.
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,
54/56 = 54 × 81/56 × 81 = 4374/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
12/81 = 12 × 56/81 × 56 = 672/4536 - Add the two like fractions:
4374/4536 + 672/4536 = 4374 + 672/4536 = 5046/4536 - 5046/4536 simplified gives 841/756
- So, 54/56 + 12/81 = 841/756
In mixed form: 185/756
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