Answers

Add 21/27 and 75/40

1^st number: 21/27, 2^nd number: 1 35/40

21/27 + 75/40 is 191/72.

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,
   21/27 = 21 × 40/27 × 40 = 840/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   75/40 = 75 × 27/40 × 27 = 2025/1080
4. Add the two like fractions:
   840/1080 + 2025/1080 = 840 + 2025/1080 = 2865/1080
5. 2865/1080 simplified gives 191/72
6. So, 21/27 + 75/40 = 191/72
   In mixed form: 247/72

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