Answers

Add 24/21 and 40/72

1^st number: 1 3/21, 2^nd number: 40/72

24/21 + 40/72 is 107/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 21 × 24 = 504,
   24/21 = 24 × 24/21 × 24 = 576/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   40/72 = 40 × 7/72 × 7 = 280/504
4. Add the two like fractions:
   576/504 + 280/504 = 576 + 280/504 = 856/504
5. 856/504 simplified gives 107/63
6. So, 24/21 + 40/72 = 107/63
   In mixed form: 144/63

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