Answers

Add 56/15 and 49/40

1^st number: 3 11/15, 2^nd number: 1 9/40

56/15 + 49/40 is 119/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   56/15 = 56 × 8/15 × 8 = 448/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   49/40 = 49 × 3/40 × 3 = 147/120
4. Add the two like fractions:
   448/120 + 147/120 = 448 + 147/120 = 595/120
5. 595/120 simplified gives 119/24
6. So, 56/15 + 49/40 = 119/24
   In mixed form: 423/24

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