Answers

Add 72/35 and 20/60

1^st number: 2 2/35, 2^nd number: 20/60

72/35 + 20/60 is 251/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 35 × 12 = 420,
   72/35 = 72 × 12/35 × 12 = 864/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   20/60 = 20 × 7/60 × 7 = 140/420
4. Add the two like fractions:
   864/420 + 140/420 = 864 + 140/420 = 1004/420
5. 1004/420 simplified gives 251/105
6. So, 72/35 + 20/60 = 251/105
   In mixed form: 241/105

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