Answers

Add 54/63 and 70/30

1^st number: 54/63, 2^nd number: 2 10/30

54/63 + 70/30 is 67/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   54/63 = 54 × 10/63 × 10 = 540/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   70/30 = 70 × 21/30 × 21 = 1470/630
4. Add the two like fractions:
   540/630 + 1470/630 = 540 + 1470/630 = 2010/630
5. 2010/630 simplified gives 67/21
6. So, 54/63 + 70/30 = 67/21
   In mixed form: 34/21

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