Answers

Subtract 63/40 from 7/8

1^st number: 7/8, 2^nd number: 1 23/40

7/8 - 63/40 is -7/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 8 × 5 = 40,
   7/8 = 7 × 5/8 × 5 = 35/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   63/40 = 63 × 1/40 × 1 = 63/40
4. Subtract the two like fractions:
   35/40 - 63/40 = 35 - 63/40 = -28/40
5. After reducing the fraction, the answer is -7/10

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