Answers

Subtract 30/25 from 90/28

1^st number: 3 6/28, 2^nd number: 1 5/25

90/28 - 30/25 is 141/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 25 is 700
   
   Next, find the equivalent fraction of both fractional numbers with denominator 700
2. For the 1st fraction, since 28 × 25 = 700,
   90/28 = 90 × 25/28 × 25 = 2250/700
3. Likewise, for the 2nd fraction, since 25 × 28 = 700,
   30/25 = 30 × 28/25 × 28 = 840/700
4. Subtract the two like fractions:
   2250/700 - 840/700 = 2250 - 840/700 = 1410/700
5. After reducing the fraction, the answer is 141/70
6. In mixed form: 21/70

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