Answers

Subtract 72/70 from 54/40

1^st number: 1 14/40, 2^nd number: 1 2/70

54/40 - 72/70 is 9/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   54/40 = 54 × 7/40 × 7 = 378/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   72/70 = 72 × 4/70 × 4 = 288/280
4. Subtract the two like fractions:
   378/280 - 288/280 = 378 - 288/280 = 90/280
5. After reducing the fraction, the answer is 9/28

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