Answers

Add 50/45 and 90/21

1^st number: 1 5/45, 2^nd number: 4 6/21

50/45 + 90/21 is 340/63.

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,
   50/45 = 50 × 7/45 × 7 = 350/315
3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
   90/21 = 90 × 15/21 × 15 = 1350/315
4. Add the two like fractions:
   350/315 + 1350/315 = 350 + 1350/315 = 1700/315
5. 1700/315 simplified gives 340/63
6. So, 50/45 + 90/21 = 340/63
   In mixed form: 525/63

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