Answers

Add 42/5 and 80/7

1^st number: 8 2/5, 2^nd number: 11 3/7

42/5 + 80/7 is 694/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 7 is 35
   
   Next, find the equivalent fraction of both fractional numbers with denominator 35
2. For the 1st fraction, since 5 × 7 = 35,
   42/5 = 42 × 7/5 × 7 = 294/35
3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
   80/7 = 80 × 5/7 × 5 = 400/35
4. Add the two like fractions:
   294/35 + 400/35 = 294 + 400/35 = 694/35
5. So, 42/5 + 80/7 = 694/35
   In mixed form: 1929/35

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