Answers

Add 2/45 and 15/70

2/45 + 15/70 is 163/630.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 45 × 14 = 630,
   2/45 = 2 × 14/45 × 14 = 28/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   15/70 = 15 × 9/70 × 9 = 135/630
4. Add the two like fractions:
   28/630 + 135/630 = 28 + 135/630 = 163/630
5. So, 2/45 + 15/70 = 163/630

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