Answers

Add 72/8 and 90/28

1^st number: 9 0/8, 2^nd number: 3 6/28

72/8 + 90/28 is 171/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 28 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 8 × 7 = 56,
   72/8 = 72 × 7/8 × 7 = 504/56
3. Likewise, for the 2nd fraction, since 28 × 2 = 56,
   90/28 = 90 × 2/28 × 2 = 180/56
4. Add the two like fractions:
   504/56 + 180/56 = 504 + 180/56 = 684/56
5. 684/56 simplified gives 171/14
6. So, 72/8 + 90/28 = 171/14
   In mixed form: 123/14

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