Answers

Add 72/60 and 2/90

1^st number: 1 12/60, 2^nd number: 2/90

72/60 + 2/90 is 11/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   72/60 = 72 × 3/60 × 3 = 216/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   2/90 = 2 × 2/90 × 2 = 4/180
4. Add the two like fractions:
   216/180 + 4/180 = 216 + 4/180 = 220/180
5. 220/180 simplified gives 11/9
6. So, 72/60 + 2/90 = 11/9
   In mixed form: 12/9

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