Answers

Subtract 18/49 from 90/25

1^st number: 3 15/25, 2^nd number: 18/49

90/25 - 18/49 is 792/245.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 49 is 1225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1225
2. For the 1st fraction, since 25 × 49 = 1225,
   90/25 = 90 × 49/25 × 49 = 4410/1225
3. Likewise, for the 2nd fraction, since 49 × 25 = 1225,
   18/49 = 18 × 25/49 × 25 = 450/1225
4. Subtract the two like fractions:
   4410/1225 - 450/1225 = 4410 - 450/1225 = 3960/1225
5. After reducing the fraction, the answer is 792/245
6. In mixed form: 357/245

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