Answers

Add 48/45 and 45/21

1^st number: 1 3/45, 2^nd number: 2 3/21

48/45 + 45/21 is 337/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 21 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   48/45 = 48 × 7/45 × 7 = 336/315
3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
   45/21 = 45 × 15/21 × 15 = 675/315
4. Add the two like fractions:
   336/315 + 675/315 = 336 + 675/315 = 1011/315
5. 1011/315 simplified gives 337/105
6. So, 48/45 + 45/21 = 337/105
   In mixed form: 322/105

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