Answers

Subtract 28/45 from 30/7

1^st number: 4 2/7, 2^nd number: 28/45

30/7 - 28/45 is 1154/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 7 × 45 = 315,
   30/7 = 30 × 45/7 × 45 = 1350/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   28/45 = 28 × 7/45 × 7 = 196/315
4. Subtract the two like fractions:
   1350/315 - 196/315 = 1350 - 196/315 = 1154/315
5. In mixed form: 3209/315

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