Answers

Subtract 48/63 from 84/80

1^st number: 1 4/80, 2^nd number: 48/63

84/80 - 48/63 is 121/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 63 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 80 × 63 = 5040,
   84/80 = 84 × 63/80 × 63 = 5292/5040
3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
   48/63 = 48 × 80/63 × 80 = 3840/5040
4. Subtract the two like fractions:
   5292/5040 - 3840/5040 = 5292 - 3840/5040 = 1452/5040
5. After reducing the fraction, the answer is 121/420

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