Answers

Add 80/49 and 42/60

1^st number: 1 31/49, 2^nd number: 42/60

80/49 + 42/60 is 1143/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 60 is 2940
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2940
2. For the 1st fraction, since 49 × 60 = 2940,
   80/49 = 80 × 60/49 × 60 = 4800/2940
3. Likewise, for the 2nd fraction, since 60 × 49 = 2940,
   42/60 = 42 × 49/60 × 49 = 2058/2940
4. Add the two like fractions:
   4800/2940 + 2058/2940 = 4800 + 2058/2940 = 6858/2940
5. 6858/2940 simplified gives 1143/490
6. So, 80/49 + 42/60 = 1143/490
   In mixed form: 2163/490

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