Answers

Subtract 63/16 from 56/70

1^st number: 56/70, 2^nd number: 3 15/16

56/70 - 63/16 is -251/80.

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,
   56/70 = 56 × 8/70 × 8 = 448/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   63/16 = 63 × 35/16 × 35 = 2205/560
4. Subtract the two like fractions:
   448/560 - 2205/560 = 448 - 2205/560 = -1757/560
5. After reducing the fraction, the answer is -251/80

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