Answers

Subtract 18/81 from 63/35

1^st number: 1 28/35, 2^nd number: 18/81

63/35 - 18/81 is 71/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 81 is 2835
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2835
2. For the 1st fraction, since 35 × 81 = 2835,
   63/35 = 63 × 81/35 × 81 = 5103/2835
3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
   18/81 = 18 × 35/81 × 35 = 630/2835
4. Subtract the two like fractions:
   5103/2835 - 630/2835 = 5103 - 630/2835 = 4473/2835
5. After reducing the fraction, the answer is 71/45
6. In mixed form: 126/45

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