Answers

Add 48/20 and 28/72

1^st number: 2 8/20, 2^nd number: 28/72

48/20 + 28/72 is 251/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   48/20 = 48 × 18/20 × 18 = 864/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   28/72 = 28 × 5/72 × 5 = 140/360
4. Add the two like fractions:
   864/360 + 140/360 = 864 + 140/360 = 1004/360
5. 1004/360 simplified gives 251/90
6. So, 48/20 + 28/72 = 251/90
   In mixed form: 271/90

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