Answers

Subtract 63/4 from 70/72

1^st number: 70/72, 2^nd number: 15 3/4

70/72 - 63/4 is -133/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 4 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   70/72 = 70 × 1/72 × 1 = 70/72
3. Likewise, for the 2nd fraction, since 4 × 18 = 72,
   63/4 = 63 × 18/4 × 18 = 1134/72
4. Subtract the two like fractions:
   70/72 - 1134/72 = 70 - 1134/72 = -1064/72
5. After reducing the fraction, the answer is -133/9

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