Answers

Add 90/60 and 72/8

1^st number: 1 30/60, 2^nd number: 9 0/8

90/60 + 72/8 is 21/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 8 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   90/60 = 90 × 2/60 × 2 = 180/120
3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
   72/8 = 72 × 15/8 × 15 = 1080/120
4. Add the two like fractions:
   180/120 + 1080/120 = 180 + 1080/120 = 1260/120
5. 1260/120 simplified gives 21/2
6. So, 90/60 + 72/8 = 21/2
   In mixed form: 101/2

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