Answers

Add 40/27 and 63/70

1^st number: 1 13/27, 2^nd number: 63/70

40/27 + 63/70 is 643/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 70 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 27 × 70 = 1890,
   40/27 = 40 × 70/27 × 70 = 2800/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   63/70 = 63 × 27/70 × 27 = 1701/1890
4. Add the two like fractions:
   2800/1890 + 1701/1890 = 2800 + 1701/1890 = 4501/1890
5. 4501/1890 simplified gives 643/270
6. So, 40/27 + 63/70 = 643/270
   In mixed form: 2103/270

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