Answers

Add 45/40 and 75/60

1^st number: 1 5/40, 2^nd number: 1 15/60

45/40 + 75/60 is 19/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   45/40 = 45 × 3/40 × 3 = 135/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   75/60 = 75 × 2/60 × 2 = 150/120
4. Add the two like fractions:
   135/120 + 150/120 = 135 + 150/120 = 285/120
5. 285/120 simplified gives 19/8
6. So, 45/40 + 75/60 = 19/8
   In mixed form: 23/8

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