Answers

Add 63/40 and 42/30

1^st number: 1 23/40, 2^nd number: 1 12/30

63/40 + 42/30 is 119/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 30 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   63/40 = 63 × 3/40 × 3 = 189/120
3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
   42/30 = 42 × 4/30 × 4 = 168/120
4. Add the two like fractions:
   189/120 + 168/120 = 189 + 168/120 = 357/120
5. 357/120 simplified gives 119/40
6. So, 63/40 + 42/30 = 119/40
   In mixed form: 239/40

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