Answers

Add 15/63 and 8/70

15/63 + 8/70 is 37/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   15/63 = 15 × 10/63 × 10 = 150/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   8/70 = 8 × 9/70 × 9 = 72/630
4. Add the two like fractions:
   150/630 + 72/630 = 150 + 72/630 = 222/630
5. 222/630 simplified gives 37/105
6. So, 15/63 + 8/70 = 37/105

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