Answers

Add 30/15 and 35/56

1^st number: 2 0/15, 2^nd number: 35/56

30/15 + 35/56 is 21/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 15 × 56 = 840,
   30/15 = 30 × 56/15 × 56 = 1680/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   35/56 = 35 × 15/56 × 15 = 525/840
4. Add the two like fractions:
   1680/840 + 525/840 = 1680 + 525/840 = 2205/840
5. 2205/840 simplified gives 21/8
6. So, 30/15 + 35/56 = 21/8
   In mixed form: 25/8

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