Subtract 28/98 from 5/15
5/15 - 28/98 is 1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,
5/15 = 5 × 98/15 × 98 = 490/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
28/98 = 28 × 15/98 × 15 = 420/1470 - Subtract the two like fractions:
490/1470 - 420/1470 = 490 - 420/1470 = 70/1470 - After reducing the fraction, the answer is 1/21
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