Subtract 4/90 from 2/98
2/98 - 4/90 is -53/2205.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
2/98 = 2 × 45/98 × 45 = 90/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
4/90 = 4 × 49/90 × 49 = 196/4410 - Subtract the two like fractions:
90/4410 - 196/4410 = 90 - 196/4410 = -106/4410 - After reducing the fraction, the answer is -53/2205
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