Subtract 21/98 from 2/45
2/45 - 21/98 is -107/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 45 × 98 = 4410,
2/45 = 2 × 98/45 × 98 = 196/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
21/98 = 21 × 45/98 × 45 = 945/4410 - Subtract the two like fractions:
196/4410 - 945/4410 = 196 - 945/4410 = -749/4410 - After reducing the fraction, the answer is -107/630
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