Answers

Add 18/63 and 42/10

1^st number: 18/63, 2^nd number: 4 2/10

18/63 + 42/10 is 157/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 10 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   18/63 = 18 × 10/63 × 10 = 180/630
3. Likewise, for the 2nd fraction, since 10 × 63 = 630,
   42/10 = 42 × 63/10 × 63 = 2646/630
4. Add the two like fractions:
   180/630 + 2646/630 = 180 + 2646/630 = 2826/630
5. 2826/630 simplified gives 157/35
6. So, 18/63 + 42/10 = 157/35
   In mixed form: 417/35

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