Answers

Add 28/70 and 54/30

1^st number: 28/70, 2^nd number: 1 24/30

28/70 + 54/30 is 11/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   28/70 = 28 × 3/70 × 3 = 84/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   54/30 = 54 × 7/30 × 7 = 378/210
4. Add the two like fractions:
   84/210 + 378/210 = 84 + 378/210 = 462/210
5. 462/210 simplified gives 11/5
6. So, 28/70 + 54/30 = 11/5
   In mixed form: 21/5

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