Answers

Add 24/28 and 84/70

1^st number: 24/28, 2^nd number: 1 14/70

24/28 + 84/70 is 72/35.

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,
   24/28 = 24 × 5/28 × 5 = 120/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   84/70 = 84 × 2/70 × 2 = 168/140
4. Add the two like fractions:
   120/140 + 168/140 = 120 + 168/140 = 288/140
5. 288/140 simplified gives 72/35
6. So, 24/28 + 84/70 = 72/35
   In mixed form: 22/35

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