Subtract 7/98 from 2/5
2/5 - 7/98 is 23/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 5 × 98 = 490,
2/5 = 2 × 98/5 × 98 = 196/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
7/98 = 7 × 5/98 × 5 = 35/490 - Subtract the two like fractions:
196/490 - 35/490 = 196 - 35/490 = 161/490 - After reducing the fraction, the answer is 23/70
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