Answers

Add 15/8 and 45/63

1^st number: 1 7/8, 2^nd number: 45/63

15/8 + 45/63 is 145/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 8 × 63 = 504,
   15/8 = 15 × 63/8 × 63 = 945/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   45/63 = 45 × 8/63 × 8 = 360/504
4. Add the two like fractions:
   945/504 + 360/504 = 945 + 360/504 = 1305/504
5. 1305/504 simplified gives 145/56
6. So, 15/8 + 45/63 = 145/56
   In mixed form: 233/56

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