Answers

Add 40/25 and 45/24

1^st number: 1 15/25, 2^nd number: 1 21/24

40/25 + 45/24 is 139/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 24 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 25 × 24 = 600,
   40/25 = 40 × 24/25 × 24 = 960/600
3. Likewise, for the 2nd fraction, since 24 × 25 = 600,
   45/24 = 45 × 25/24 × 25 = 1125/600
4. Add the two like fractions:
   960/600 + 1125/600 = 960 + 1125/600 = 2085/600
5. 2085/600 simplified gives 139/40
6. So, 40/25 + 45/24 = 139/40
   In mixed form: 319/40

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