Answers

Add 70/80 and 30/25

1^st number: 70/80, 2^nd number: 1 5/25

70/80 + 30/25 is 83/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 25 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 80 × 5 = 400,
   70/80 = 70 × 5/80 × 5 = 350/400
3. Likewise, for the 2nd fraction, since 25 × 16 = 400,
   30/25 = 30 × 16/25 × 16 = 480/400
4. Add the two like fractions:
   350/400 + 480/400 = 350 + 480/400 = 830/400
5. 830/400 simplified gives 83/40
6. So, 70/80 + 30/25 = 83/40
   In mixed form: 23/40

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