Answers

Add 45/24 and 64/40

1^st number: 1 21/24, 2^nd number: 1 24/40

45/24 + 64/40 is 139/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 24 × 5 = 120,
   45/24 = 45 × 5/24 × 5 = 225/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   64/40 = 64 × 3/40 × 3 = 192/120
4. Add the two like fractions:
   225/120 + 192/120 = 225 + 192/120 = 417/120
5. 417/120 simplified gives 139/40
6. So, 45/24 + 64/40 = 139/40
   In mixed form: 319/40

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