Answers

Add 36/40 and 45/42

1^st number: 36/40, 2^nd number: 1 3/42

36/40 + 45/42 is 69/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 42 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   36/40 = 36 × 21/40 × 21 = 756/840
3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
   45/42 = 45 × 20/42 × 20 = 900/840
4. Add the two like fractions:
   756/840 + 900/840 = 756 + 900/840 = 1656/840
5. 1656/840 simplified gives 69/35
6. So, 36/40 + 45/42 = 69/35
   In mixed form: 134/35

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