Answers

Add 80/63 and 18/30

1^st number: 1 17/63, 2^nd number: 18/30

80/63 + 18/30 is 589/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   80/63 = 80 × 10/63 × 10 = 800/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   18/30 = 18 × 21/30 × 21 = 378/630
4. Add the two like fractions:
   800/630 + 378/630 = 800 + 378/630 = 1178/630
5. 1178/630 simplified gives 589/315
6. So, 80/63 + 18/30 = 589/315
   In mixed form: 1274/315

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