Answers

Add 35/15 and 42/80

1^st number: 2 5/15, 2^nd number: 42/80

35/15 + 42/80 is 343/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   35/15 = 35 × 16/15 × 16 = 560/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   42/80 = 42 × 3/80 × 3 = 126/240
4. Add the two like fractions:
   560/240 + 126/240 = 560 + 126/240 = 686/240
5. 686/240 simplified gives 343/120
6. So, 35/15 + 42/80 = 343/120
   In mixed form: 2103/120

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