Answers

Add 40/15 and 45/56

1^st number: 2 10/15, 2^nd number: 45/56

40/15 + 45/56 is 583/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 15 × 56 = 840,
   40/15 = 40 × 56/15 × 56 = 2240/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   45/56 = 45 × 15/56 × 15 = 675/840
4. Add the two like fractions:
   2240/840 + 675/840 = 2240 + 675/840 = 2915/840
5. 2915/840 simplified gives 583/168
6. So, 40/15 + 45/56 = 583/168
   In mixed form: 379/168

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