Answers

Add 70/10 and 81/28

1^st number: 7 0/10, 2^nd number: 2 25/28

70/10 + 81/28 is 277/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 10 × 14 = 140,
   70/10 = 70 × 14/10 × 14 = 980/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   81/28 = 81 × 5/28 × 5 = 405/140
4. Add the two like fractions:
   980/140 + 405/140 = 980 + 405/140 = 1385/140
5. 1385/140 simplified gives 277/28
6. So, 70/10 + 81/28 = 277/28
   In mixed form: 925/28

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