Answers

Subtract 15/90 from 60/28

1^st number: 2 4/28, 2^nd number: 15/90

60/28 - 15/90 is 83/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   60/28 = 60 × 45/28 × 45 = 2700/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   15/90 = 15 × 14/90 × 14 = 210/1260
4. Subtract the two like fractions:
   2700/1260 - 210/1260 = 2700 - 210/1260 = 2490/1260
5. After reducing the fraction, the answer is 83/42
6. In mixed form: 141/42

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