Answers

Add 70/27 and 48/40

1^st number: 2 16/27, 2^nd number: 1 8/40

70/27 + 48/40 is 512/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 40 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 27 × 40 = 1080,
   70/27 = 70 × 40/27 × 40 = 2800/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   48/40 = 48 × 27/40 × 27 = 1296/1080
4. Add the two like fractions:
   2800/1080 + 1296/1080 = 2800 + 1296/1080 = 4096/1080
5. 4096/1080 simplified gives 512/135
6. So, 70/27 + 48/40 = 512/135
   In mixed form: 3107/135

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