Answers

Add 90/72 and 10/8

1^st number: 1 18/72, 2^nd number: 1 2/8

90/72 + 10/8 is 5/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 8 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   90/72 = 90 × 1/72 × 1 = 90/72
3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
   10/8 = 10 × 9/8 × 9 = 90/72
4. Add the two like fractions:
   90/72 + 90/72 = 90 + 90/72 = 180/72
5. 180/72 simplified gives 5/2
6. So, 90/72 + 10/8 = 5/2
   In mixed form: 21/2

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