Answers

Add 25/36 and 45/40

1^st number: 25/36, 2^nd number: 1 5/40

25/36 + 45/40 is 131/72.

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,
   25/36 = 25 × 10/36 × 10 = 250/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   45/40 = 45 × 9/40 × 9 = 405/360
4. Add the two like fractions:
   250/360 + 405/360 = 250 + 405/360 = 655/360
5. 655/360 simplified gives 131/72
6. So, 25/36 + 45/40 = 131/72
   In mixed form: 159/72

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