Answers

Add 56/40 and 45/15

1^st number: 1 16/40, 2^nd number: 3 0/15

56/40 + 45/15 is 22/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 15 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   56/40 = 56 × 3/40 × 3 = 168/120
3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
   45/15 = 45 × 8/15 × 8 = 360/120
4. Add the two like fractions:
   168/120 + 360/120 = 168 + 360/120 = 528/120
5. 528/120 simplified gives 22/5
6. So, 56/40 + 45/15 = 22/5
   In mixed form: 42/5

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