Answers

Add 72/48 and 42/20

1^st number: 1 24/48, 2^nd number: 2 2/20

72/48 + 42/20 is 18/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 20 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   72/48 = 72 × 5/48 × 5 = 360/240
3. Likewise, for the 2nd fraction, since 20 × 12 = 240,
   42/20 = 42 × 12/20 × 12 = 504/240
4. Add the two like fractions:
   360/240 + 504/240 = 360 + 504/240 = 864/240
5. 864/240 simplified gives 18/5
6. So, 72/48 + 42/20 = 18/5
   In mixed form: 33/5

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