Answers

Subtract 63/12 from 7/45

1^st number: 7/45, 2^nd number: 5 3/12

7/45 - 63/12 is -917/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 12 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   7/45 = 7 × 4/45 × 4 = 28/180
3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
   63/12 = 63 × 15/12 × 15 = 945/180
4. Subtract the two like fractions:
   28/180 - 945/180 = 28 - 945/180 = -917/180

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