Answers

Add 90/60 and 72/30

1^st number: 1 30/60, 2^nd number: 2 12/30

90/60 + 72/30 is 39/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   90/60 = 90 × 1/60 × 1 = 90/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   72/30 = 72 × 2/30 × 2 = 144/60
4. Add the two like fractions:
   90/60 + 144/60 = 90 + 144/60 = 234/60
5. 234/60 simplified gives 39/10
6. So, 90/60 + 72/30 = 39/10
   In mixed form: 39/10

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