Answers

Subtract 63/56 from 25/90

1^st number: 25/90, 2^nd number: 1 7/56

25/90 - 63/56 is -61/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 56 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 90 × 28 = 2520,
   25/90 = 25 × 28/90 × 28 = 700/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   63/56 = 63 × 45/56 × 45 = 2835/2520
4. Subtract the two like fractions:
   700/2520 - 2835/2520 = 700 - 2835/2520 = -2135/2520
5. After reducing the fraction, the answer is -61/72

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