Answers

Subtract 70/25 from 49/63

1^st number: 49/63, 2^nd number: 2 20/25

49/63 - 70/25 is -91/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 25 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 63 × 25 = 1575,
   49/63 = 49 × 25/63 × 25 = 1225/1575
3. Likewise, for the 2nd fraction, since 25 × 63 = 1575,
   70/25 = 70 × 63/25 × 63 = 4410/1575
4. Subtract the two like fractions:
   1225/1575 - 4410/1575 = 1225 - 4410/1575 = -3185/1575
5. After reducing the fraction, the answer is -91/45

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