Answers

Add 40/27 and 54/60

1^st number: 1 13/27, 2^nd number: 54/60

40/27 + 54/60 is 643/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 60 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 27 × 20 = 540,
   40/27 = 40 × 20/27 × 20 = 800/540
3. Likewise, for the 2nd fraction, since 60 × 9 = 540,
   54/60 = 54 × 9/60 × 9 = 486/540
4. Add the two like fractions:
   800/540 + 486/540 = 800 + 486/540 = 1286/540
5. 1286/540 simplified gives 643/270
6. So, 40/27 + 54/60 = 643/270
   In mixed form: 2103/270

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