Answers

Add 48/90 and 45/21

1^st number: 48/90, 2^nd number: 2 3/21

48/90 + 45/21 is 281/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 21 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   48/90 = 48 × 7/90 × 7 = 336/630
3. Likewise, for the 2nd fraction, since 21 × 30 = 630,
   45/21 = 45 × 30/21 × 30 = 1350/630
4. Add the two like fractions:
   336/630 + 1350/630 = 336 + 1350/630 = 1686/630
5. 1686/630 simplified gives 281/105
6. So, 48/90 + 45/21 = 281/105
   In mixed form: 271/105

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