Answers

Add 15/40 and 96/30

1^st number: 15/40, 2^nd number: 3 6/30

15/40 + 96/30 is 143/40.

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,
   15/40 = 15 × 3/40 × 3 = 45/120
3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
   96/30 = 96 × 4/30 × 4 = 384/120
4. Add the two like fractions:
   45/120 + 384/120 = 45 + 384/120 = 429/120
5. 429/120 simplified gives 143/40
6. So, 15/40 + 96/30 = 143/40
   In mixed form: 323/40

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