Answers

Subtract 7/90 from 63/27

1^st number: 2 9/27, 2^nd number: 7/90

63/27 - 7/90 is 203/90.

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,
   63/27 = 63 × 10/27 × 10 = 630/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   7/90 = 7 × 3/90 × 3 = 21/270
4. Subtract the two like fractions:
   630/270 - 21/270 = 630 - 21/270 = 609/270
5. After reducing the fraction, the answer is 203/90
6. In mixed form: 223/90

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