Answers

Add 21/56 and 60/81

21/56 + 60/81 is 241/216.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 56 × 81 = 4536,
   21/56 = 21 × 81/56 × 81 = 1701/4536
3. Likewise, for the 2nd fraction, since 81 × 56 = 4536,
   60/81 = 60 × 56/81 × 56 = 3360/4536
4. Add the two like fractions:
   1701/4536 + 3360/4536 = 1701 + 3360/4536 = 5061/4536
5. 5061/4536 simplified gives 241/216
6. So, 21/56 + 60/81 = 241/216
   In mixed form: 125/216

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