Answers

Add 81/70 and 25/10

1^st number: 1 11/70, 2^nd number: 2 5/10

81/70 + 25/10 is 128/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 10 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 70 × 1 = 70,
   81/70 = 81 × 1/70 × 1 = 81/70
3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
   25/10 = 25 × 7/10 × 7 = 175/70
4. Add the two like fractions:
   81/70 + 175/70 = 81 + 175/70 = 256/70
5. 256/70 simplified gives 128/35
6. So, 81/70 + 25/10 = 128/35
   In mixed form: 323/35

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