Answers

Add 63/28 and 90/7

1^st number: 2 7/28, 2^nd number: 12 6/7

63/28 + 90/7 is 423/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 7 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 28 × 1 = 28,
   63/28 = 63 × 1/28 × 1 = 63/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   90/7 = 90 × 4/7 × 4 = 360/28
4. Add the two like fractions:
   63/28 + 360/28 = 63 + 360/28 = 423/28
5. So, 63/28 + 90/7 = 423/28
   In mixed form: 153/28

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