Answers

Subtract 72/35 from 30/40

1^st number: 30/40, 2^nd number: 2 2/35

30/40 - 72/35 is -183/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 35 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   30/40 = 30 × 7/40 × 7 = 210/280
3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
   72/35 = 72 × 8/35 × 8 = 576/280
4. Subtract the two like fractions:
   210/280 - 576/280 = 210 - 576/280 = -366/280
5. After reducing the fraction, the answer is -183/140

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