Answers

Subtract 72/49 from 27/35

1^st number: 27/35, 2^nd number: 1 23/49

27/35 - 72/49 is -171/245.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 49 is 245
   
   Next, find the equivalent fraction of both fractional numbers with denominator 245
2. For the 1st fraction, since 35 × 7 = 245,
   27/35 = 27 × 7/35 × 7 = 189/245
3. Likewise, for the 2nd fraction, since 49 × 5 = 245,
   72/49 = 72 × 5/49 × 5 = 360/245
4. Subtract the two like fractions:
   189/245 - 360/245 = 189 - 360/245 = -171/245

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