Answers

Subtract 70/15 from 7/40

1^st number: 7/40, 2^nd number: 4 10/15

7/40 - 70/15 is -539/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 15 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   7/40 = 7 × 3/40 × 3 = 21/120
3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
   70/15 = 70 × 8/15 × 8 = 560/120
4. Subtract the two like fractions:
   21/120 - 560/120 = 21 - 560/120 = -539/120

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