Answers

Add 63/28 and 54/70

1^st number: 2 7/28, 2^nd number: 54/70

63/28 + 54/70 is 423/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   63/28 = 63 × 5/28 × 5 = 315/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   54/70 = 54 × 2/70 × 2 = 108/140
4. Add the two like fractions:
   315/140 + 108/140 = 315 + 108/140 = 423/140
5. So, 63/28 + 54/70 = 423/140
   In mixed form: 33/140

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