Answers

Add 45/30 and 80/63

1^st number: 1 15/30, 2^nd number: 1 17/63

45/30 + 80/63 is 349/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 30 × 21 = 630,
   45/30 = 45 × 21/30 × 21 = 945/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   80/63 = 80 × 10/63 × 10 = 800/630
4. Add the two like fractions:
   945/630 + 800/630 = 945 + 800/630 = 1745/630
5. 1745/630 simplified gives 349/126
6. So, 45/30 + 80/63 = 349/126
   In mixed form: 297/126

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