Subtract 21/5 from 3/98
1st number: 3/98, 2nd number: 4 1/5
3/98 - 21/5 is -2043/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
3/98 = 3 × 5/98 × 5 = 15/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
21/5 = 21 × 98/5 × 98 = 2058/490 - Subtract the two like fractions:
15/490 - 2058/490 = 15 - 2058/490 = -2043/490
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