Answers

Add 54/42 and 2/80

1^st number: 1 12/42, 2^nd number: 2/80

54/42 + 2/80 is 367/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 42 × 40 = 1680,
   54/42 = 54 × 40/42 × 40 = 2160/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   2/80 = 2 × 21/80 × 21 = 42/1680
4. Add the two like fractions:
   2160/1680 + 42/1680 = 2160 + 42/1680 = 2202/1680
5. 2202/1680 simplified gives 367/280
6. So, 54/42 + 2/80 = 367/280
   In mixed form: 187/280

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