Answers

Subtract 48/90 from 15/60

15/60 - 48/90 is -17/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   15/60 = 15 × 3/60 × 3 = 45/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   48/90 = 48 × 2/90 × 2 = 96/180
4. Subtract the two like fractions:
   45/180 - 96/180 = 45 - 96/180 = -51/180
5. After reducing the fraction, the answer is -17/60

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