Answers

Add 42/56 and 21/18

1^st number: 42/56, 2^nd number: 1 3/18

42/56 + 21/18 is 23/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 18 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 56 × 9 = 504,
   42/56 = 42 × 9/56 × 9 = 378/504
3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
   21/18 = 21 × 28/18 × 28 = 588/504
4. Add the two like fractions:
   378/504 + 588/504 = 378 + 588/504 = 966/504
5. 966/504 simplified gives 23/12
6. So, 42/56 + 21/18 = 23/12
   In mixed form: 111/12

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