Answers

Add 21/56 and 90/7

1^st number: 21/56, 2^nd number: 12 6/7

21/56 + 90/7 is 741/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 7 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 56 × 1 = 56,
   21/56 = 21 × 1/56 × 1 = 21/56
3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
   90/7 = 90 × 8/7 × 8 = 720/56
4. Add the two like fractions:
   21/56 + 720/56 = 21 + 720/56 = 741/56
5. So, 21/56 + 90/7 = 741/56
   In mixed form: 1313/56

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