Answers

Add 4/27 and 21/60

4/27 + 21/60 is 269/540.

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,
   4/27 = 4 × 20/27 × 20 = 80/540
3. Likewise, for the 2nd fraction, since 60 × 9 = 540,
   21/60 = 21 × 9/60 × 9 = 189/540
4. Add the two like fractions:
   80/540 + 189/540 = 80 + 189/540 = 269/540
5. So, 4/27 + 21/60 = 269/540

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