Answers

Add 16/48 and 90/72

1^st number: 16/48, 2^nd number: 1 18/72

16/48 + 90/72 is 19/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 72 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 48 × 3 = 144,
   16/48 = 16 × 3/48 × 3 = 48/144
3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
   90/72 = 90 × 2/72 × 2 = 180/144
4. Add the two like fractions:
   48/144 + 180/144 = 48 + 180/144 = 228/144
5. 228/144 simplified gives 19/12
6. So, 16/48 + 90/72 = 19/12
   In mixed form: 17/12

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