Answers

Subtract 40/90 from 63/27

1^st number: 2 9/27, 2^nd number: 40/90

63/27 - 40/90 is 17/9.

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,
   40/90 = 40 × 3/90 × 3 = 120/270
4. Subtract the two like fractions:
   630/270 - 120/270 = 630 - 120/270 = 510/270
5. After reducing the fraction, the answer is 17/9
6. In mixed form: 18/9

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