Answers

Add 70/60 and 28/70

1^st number: 1 10/60, 2^nd number: 28/70

70/60 + 28/70 is 47/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   70/60 = 70 × 7/60 × 7 = 490/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   28/70 = 28 × 6/70 × 6 = 168/420
4. Add the two like fractions:
   490/420 + 168/420 = 490 + 168/420 = 658/420
5. 658/420 simplified gives 47/30
6. So, 70/60 + 28/70 = 47/30
   In mixed form: 117/30

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