Answers

Add 40/15 and 60/56

1^st number: 2 10/15, 2^nd number: 1 4/56

40/15 + 60/56 is 157/42.

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,
   60/56 = 60 × 15/56 × 15 = 900/840
4. Add the two like fractions:
   2240/840 + 900/840 = 2240 + 900/840 = 3140/840
5. 3140/840 simplified gives 157/42
6. So, 40/15 + 60/56 = 157/42
   In mixed form: 331/42

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