Subtract 18/10 from 15/98
1st number: 15/98, 2nd number: 1 8/10
15/98 - 18/10 is -807/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
15/98 = 15 × 5/98 × 5 = 75/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
18/10 = 18 × 49/10 × 49 = 882/490 - Subtract the two like fractions:
75/490 - 882/490 = 75 - 882/490 = -807/490
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