Answers

Subtract 70/63 from 3/60

1^st number: 3/60, 2^nd number: 1 7/63

3/60 - 70/63 is -191/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   3/60 = 3 × 21/60 × 21 = 63/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   70/63 = 70 × 20/63 × 20 = 1400/1260
4. Subtract the two like fractions:
   63/1260 - 1400/1260 = 63 - 1400/1260 = -1337/1260
5. After reducing the fraction, the answer is -191/180

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