Answers

Add 2/72 and 45/21

1^st number: 2/72, 2^nd number: 2 3/21

2/72 + 45/21 is 547/252.

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,
   2/72 = 2 × 7/72 × 7 = 14/504
3. Likewise, for the 2nd fraction, since 21 × 24 = 504,
   45/21 = 45 × 24/21 × 24 = 1080/504
4. Add the two like fractions:
   14/504 + 1080/504 = 14 + 1080/504 = 1094/504
5. 1094/504 simplified gives 547/252
6. So, 2/72 + 45/21 = 547/252
   In mixed form: 243/252

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