Answers

Add 42/40 and 72/27

1^st number: 1 2/40, 2^nd number: 2 18/27

42/40 + 72/27 is 223/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 27 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   42/40 = 42 × 27/40 × 27 = 1134/1080
3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
   72/27 = 72 × 40/27 × 40 = 2880/1080
4. Add the two like fractions:
   1134/1080 + 2880/1080 = 1134 + 2880/1080 = 4014/1080
5. 4014/1080 simplified gives 223/60
6. So, 42/40 + 72/27 = 223/60
   In mixed form: 343/60

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