Answers

Add 15/40 and 54/28

1^st number: 15/40, 2^nd number: 1 26/28

15/40 + 54/28 is 129/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 28 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   15/40 = 15 × 7/40 × 7 = 105/280
3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
   54/28 = 54 × 10/28 × 10 = 540/280
4. Add the two like fractions:
   105/280 + 540/280 = 105 + 540/280 = 645/280
5. 645/280 simplified gives 129/56
6. So, 15/40 + 54/28 = 129/56
   In mixed form: 217/56

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