Answers

Add 27/10 and 45/63

1^st number: 2 7/10, 2^nd number: 45/63

27/10 + 45/63 is 239/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 10 × 63 = 630,
   27/10 = 27 × 63/10 × 63 = 1701/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   45/63 = 45 × 10/63 × 10 = 450/630
4. Add the two like fractions:
   1701/630 + 450/630 = 1701 + 450/630 = 2151/630
5. 2151/630 simplified gives 239/70
6. So, 27/10 + 45/63 = 239/70
   In mixed form: 329/70

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