Subtract 21/25 from 12/98
12/98 - 21/25 is -879/1225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 25 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 98 × 25 = 2450,
12/98 = 12 × 25/98 × 25 = 300/2450 - Likewise, for the 2nd fraction, since 25 × 98 = 2450,
21/25 = 21 × 98/25 × 98 = 2058/2450 - Subtract the two like fractions:
300/2450 - 2058/2450 = 300 - 2058/2450 = -1758/2450 - After reducing the fraction, the answer is -879/1225
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