Answers

Subtract 3/70 from 15/4

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

15/4 - 3/70 is 519/140.

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,
   15/4 = 15 × 35/4 × 35 = 525/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   3/70 = 3 × 2/70 × 2 = 6/140
4. Subtract the two like fractions:
   525/140 - 6/140 = 525 - 6/140 = 519/140
5. In mixed form: 399/140

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