Answers

Subtract 21/90 from 56/27

1^st number: 2 2/27, 2^nd number: 21/90

56/27 - 21/90 is 497/270.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 90 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 27 × 10 = 270,
   56/27 = 56 × 10/27 × 10 = 560/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   21/90 = 21 × 3/90 × 3 = 63/270
4. Subtract the two like fractions:
   560/270 - 63/270 = 560 - 63/270 = 497/270
5. In mixed form: 1227/270

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