Answers

Add 20/15 and 10/90

1^st number: 1 5/15, 2^nd number: 10/90

20/15 + 10/90 is 13/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 90 is 90
2. For the 1st fraction, since 15 × 6 = 90,
   20/15 = 20 × 6/15 × 6 = 120/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   10/90 = 10 × 1/90 × 1 = 10/90
4. Add the two fractions:
   120/90 + 10/90 = 120 + 10/90 = 130/90
5. 130/90 simplified gives 13/9
6. So, 20/15 + 10/90 = 13/9
   In mixed form: 14/9

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