Answers

Subtract 15/7 from 2/45

1^st number: 2/45, 2^nd number: 2 1/7

2/45 - 15/7 is -661/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 7 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   2/45 = 2 × 7/45 × 7 = 14/315
3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
   15/7 = 15 × 45/7 × 45 = 675/315
4. Subtract the two like fractions:
   14/315 - 675/315 = 14 - 675/315 = -661/315

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