Answers

Add 98/30 and 15/40

1^st number: 3 8/30, 2^nd number: 15/40

98/30 + 15/40 is 437/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 30 × 4 = 120,
   98/30 = 98 × 4/30 × 4 = 392/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   15/40 = 15 × 3/40 × 3 = 45/120
4. Add the two like fractions:
   392/120 + 45/120 = 392 + 45/120 = 437/120
5. So, 98/30 + 15/40 = 437/120
   In mixed form: 377/120

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