Answers

Add 30/15 and 20/16

1^st number: 2 0/15, 2^nd number: 1 4/16

30/15 + 20/16 is 13/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 16 is 240
2. For the 1st fraction, since 15 × 16 = 240,
   30/15 = 30 × 16/15 × 16 = 480/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   20/16 = 20 × 15/16 × 15 = 300/240
4. Add the two fractions:
   480/240 + 300/240 = 480 + 300/240 = 780/240
5. 780/240 simplified gives 13/4
6. So, 30/15 + 20/16 = 13/4
   In mixed form: 31/4

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