Answers

Add 45/36 and 54/40

1^st number: 1 9/36, 2^nd number: 1 14/40

45/36 + 54/40 is 13/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 36 × 10 = 360,
   45/36 = 45 × 10/36 × 10 = 450/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   54/40 = 54 × 9/40 × 9 = 486/360
4. Add the two like fractions:
   450/360 + 486/360 = 450 + 486/360 = 936/360
5. 936/360 simplified gives 13/5
6. So, 45/36 + 54/40 = 13/5
   In mixed form: 23/5

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