Subtract 20/98 from 15/28
15/28 - 20/98 is 65/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
15/28 = 15 × 7/28 × 7 = 105/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
20/98 = 20 × 2/98 × 2 = 40/196 - Subtract the two like fractions:
105/196 - 40/196 = 105 - 40/196 = 65/196
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