Answers

Subtract 75/18 from 49/40

1^st number: 1 9/40, 2^nd number: 4 3/18

49/40 - 75/18 is -353/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 18 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   49/40 = 49 × 9/40 × 9 = 441/360
3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
   75/18 = 75 × 20/18 × 20 = 1500/360
4. Subtract the two like fractions:
   441/360 - 1500/360 = 441 - 1500/360 = -1059/360
5. After reducing the fraction, the answer is -353/120

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