Answers

Add 80/28 and 18/70

1^st number: 2 24/28, 2^nd number: 18/70

80/28 + 18/70 is 109/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   80/28 = 80 × 5/28 × 5 = 400/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   18/70 = 18 × 2/70 × 2 = 36/140
4. Add the two like fractions:
   400/140 + 36/140 = 400 + 36/140 = 436/140
5. 436/140 simplified gives 109/35
6. So, 80/28 + 18/70 = 109/35
   In mixed form: 34/35

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