Answers

Add 90/10 and 90/28

1^st number: 9 0/10, 2^nd number: 3 6/28

90/10 + 90/28 is 171/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 10 × 14 = 140,
   90/10 = 90 × 14/10 × 14 = 1260/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   90/28 = 90 × 5/28 × 5 = 450/140
4. Add the two like fractions:
   1260/140 + 450/140 = 1260 + 450/140 = 1710/140
5. 1710/140 simplified gives 171/14
6. So, 90/10 + 90/28 = 171/14
   In mixed form: 123/14

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