Answers

Add 30/72 and 56/21

1^st number: 30/72, 2^nd number: 2 14/21

30/72 + 56/21 is 37/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 21 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   30/72 = 30 × 7/72 × 7 = 210/504
3. Likewise, for the 2nd fraction, since 21 × 24 = 504,
   56/21 = 56 × 24/21 × 24 = 1344/504
4. Add the two like fractions:
   210/504 + 1344/504 = 210 + 1344/504 = 1554/504
5. 1554/504 simplified gives 37/12
6. So, 30/72 + 56/21 = 37/12
   In mixed form: 31/12

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