Answers

Add 20/15 and 10/45

1^st number: 1 5/15, 2^nd number: 10/45

20/15 + 10/45 is 14/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 45 is 45
2. For the 1st fraction, since 15 × 3 = 45,
   20/15 = 20 × 3/15 × 3 = 60/45
3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
   10/45 = 10 × 1/45 × 1 = 10/45
4. Add the two fractions:
   60/45 + 10/45 = 60 + 10/45 = 70/45
5. 70/45 simplified gives 14/9
6. So, 20/15 + 10/45 = 14/9
   In mixed form: 15/9

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