Answers

Subtract 49/40 from 48/84

1^st number: 48/84, 2^nd number: 1 9/40

48/84 - 49/40 is -183/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 84 × 10 = 840,
   48/84 = 48 × 10/84 × 10 = 480/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   49/40 = 49 × 21/40 × 21 = 1029/840
4. Subtract the two like fractions:
   480/840 - 1029/840 = 480 - 1029/840 = -549/840
5. After reducing the fraction, the answer is -183/280

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