Answers

Add 72/28 and 21/48

1^st number: 2 16/28, 2^nd number: 21/48

72/28 + 21/48 is 337/112.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 28 × 12 = 336,
   72/28 = 72 × 12/28 × 12 = 864/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   21/48 = 21 × 7/48 × 7 = 147/336
4. Add the two like fractions:
   864/336 + 147/336 = 864 + 147/336 = 1011/336
5. 1011/336 simplified gives 337/112
6. So, 72/28 + 21/48 = 337/112
   In mixed form: 31/112

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