Add 56/81 and 75/72, Solve 56/81 + 1 3/72 as a fraction

Add 56/81 and 75/72

1^st number: 56/81, 2^nd number: 1 3/72

56/81 + 75/72 is 1123/648.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 72 is 648

Next, find the equivalent fraction of both fractional numbers with denominator 648
For the 1st fraction, since 81 × 8 = 648,
56/81 = 56 × 8/81 × 8 = 448/648
Likewise, for the 2nd fraction, since 72 × 9 = 648,
75/72 = 75 × 9/72 × 9 = 675/648
Add the two like fractions:
448/648 + 675/648 = 448 + 675/648 = 1123/648
So, 56/81 + 75/72 = 1123/648
In mixed form: 1475/648

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