Answers

Add 3/80 and 10/7

1^st number: 3/80, 2^nd number: 1 3/7

3/80 + 10/7 is 821/560.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 7 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   3/80 = 3 × 7/80 × 7 = 21/560
3. Likewise, for the 2nd fraction, since 7 × 80 = 560,
   10/7 = 10 × 80/7 × 80 = 800/560
4. Add the two like fractions:
   21/560 + 800/560 = 21 + 800/560 = 821/560
5. So, 3/80 + 10/7 = 821/560
   In mixed form: 1261/560

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