Subtract 1/98 from 42/45
42/45 - 1/98 is 1357/1470.
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,
42/45 = 42 × 98/45 × 98 = 4116/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
1/98 = 1 × 45/98 × 45 = 45/4410 - Subtract the two like fractions:
4116/4410 - 45/4410 = 4116 - 45/4410 = 4071/4410 - After reducing the fraction, the answer is 1357/1470
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