Answers

Add 54/15 and 35/70

1^st number: 3 9/15, 2^nd number: 35/70

54/15 + 35/70 is 41/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 15 × 14 = 210,
   54/15 = 54 × 14/15 × 14 = 756/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   35/70 = 35 × 3/70 × 3 = 105/210
4. Add the two like fractions:
   756/210 + 105/210 = 756 + 105/210 = 861/210
5. 861/210 simplified gives 41/10
6. So, 54/15 + 35/70 = 41/10
   In mixed form: 41/10

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