Answers

Add 70/63 and 15/8

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

70/63 + 15/8 is 215/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 8 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   70/63 = 70 × 8/63 × 8 = 560/504
3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
   15/8 = 15 × 63/8 × 63 = 945/504
4. Add the two like fractions:
   560/504 + 945/504 = 560 + 945/504 = 1505/504
5. 1505/504 simplified gives 215/72
6. So, 70/63 + 15/8 = 215/72
   In mixed form: 271/72

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