Answers

Subtract 72/49 from 24/20

1^st number: 1 4/20, 2^nd number: 1 23/49

24/20 - 72/49 is -66/245.

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,
   24/20 = 24 × 49/20 × 49 = 1176/980
3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
   72/49 = 72 × 20/49 × 20 = 1440/980
4. Subtract the two like fractions:
   1176/980 - 1440/980 = 1176 - 1440/980 = -264/980
5. After reducing the fraction, the answer is -66/245

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