Answers

Subtract 3/96 from 42/40

1^st number: 1 2/40, 2^nd number: 3/96

42/40 - 3/96 is 163/160.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 96 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 40 × 12 = 480,
   42/40 = 42 × 12/40 × 12 = 504/480
3. Likewise, for the 2nd fraction, since 96 × 5 = 480,
   3/96 = 3 × 5/96 × 5 = 15/480
4. Subtract the two like fractions:
   504/480 - 15/480 = 504 - 15/480 = 489/480
5. After reducing the fraction, the answer is 163/160
6. In mixed form: 13/160

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