Answers

Subtract 98/40 from 1/72

1^st number: 1/72, 2^nd number: 2 18/40

1/72 - 98/40 is -877/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   1/72 = 1 × 5/72 × 5 = 5/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   98/40 = 98 × 9/40 × 9 = 882/360
4. Subtract the two like fractions:
   5/360 - 882/360 = 5 - 882/360 = -877/360

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