Answers

Subtract 80/28 from 60/90

1^st number: 60/90, 2^nd number: 2 24/28

60/90 - 80/28 is -46/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   60/90 = 60 × 14/90 × 14 = 840/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   80/28 = 80 × 45/28 × 45 = 3600/1260
4. Subtract the two like fractions:
   840/1260 - 3600/1260 = 840 - 3600/1260 = -2760/1260
5. After reducing the fraction, the answer is -46/21

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