Answers

Add 28/18 and 15/72

1^st number: 1 10/18, 2^nd number: 15/72

28/18 + 15/72 is 127/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   28/18 = 28 × 4/18 × 4 = 112/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   15/72 = 15 × 1/72 × 1 = 15/72
4. Add the two like fractions:
   112/72 + 15/72 = 112 + 15/72 = 127/72
5. So, 28/18 + 15/72 = 127/72
   In mixed form: 155/72

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