Answers

Subtract 63/40 from 45/10

1^st number: 4 5/10, 2^nd number: 1 23/40

45/10 - 63/40 is 117/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 10 × 4 = 40,
   45/10 = 45 × 4/10 × 4 = 180/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   63/40 = 63 × 1/40 × 1 = 63/40
4. Subtract the two like fractions:
   180/40 - 63/40 = 180 - 63/40 = 117/40
5. In mixed form: 237/40

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