Answers

Subtract 54/16 from 40/70

1^st number: 40/70, 2^nd number: 3 6/16

40/70 - 54/16 is -157/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 16 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 70 × 8 = 560,
   40/70 = 40 × 8/70 × 8 = 320/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   54/16 = 54 × 35/16 × 35 = 1890/560
4. Subtract the two like fractions:
   320/560 - 1890/560 = 320 - 1890/560 = -1570/560
5. After reducing the fraction, the answer is -157/56

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