Subtract 28/98 from 7/45
7/45 - 28/98 is -41/315.
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,
7/45 = 7 × 98/45 × 98 = 686/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
28/98 = 28 × 45/98 × 45 = 1260/4410 - Subtract the two like fractions:
686/4410 - 1260/4410 = 686 - 1260/4410 = -574/4410 - After reducing the fraction, the answer is -41/315
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