Answers

Subtract 63/70 from 15/8

1^st number: 1 7/8, 2^nd number: 63/70

15/8 - 63/70 is 39/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 8 × 35 = 280,
   15/8 = 15 × 35/8 × 35 = 525/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   63/70 = 63 × 4/70 × 4 = 252/280
4. Subtract the two like fractions:
   525/280 - 252/280 = 525 - 252/280 = 273/280
5. After reducing the fraction, the answer is 39/40

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