Answers

Subtract 7/70 from 63/4

1^st number: 15 3/4, 2^nd number: 7/70

63/4 - 7/70 is 313/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 4 × 35 = 140,
   63/4 = 63 × 35/4 × 35 = 2205/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   7/70 = 7 × 2/70 × 2 = 14/140
4. Subtract the two like fractions:
   2205/140 - 14/140 = 2205 - 14/140 = 2191/140
5. After reducing the fraction, the answer is 313/20
6. In mixed form: 1513/20

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