Answers

Subtract 63/49 from 54/20

1^st number: 2 14/20, 2^nd number: 1 14/49

54/20 - 63/49 is 99/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 49 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   54/20 = 54 × 49/20 × 49 = 2646/980
3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
   63/49 = 63 × 20/49 × 20 = 1260/980
4. Subtract the two like fractions:
   2646/980 - 1260/980 = 2646 - 1260/980 = 1386/980
5. After reducing the fraction, the answer is 99/70
6. In mixed form: 129/70

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