Subtract 9/98 from 5/70
5/70 - 9/98 is -1/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
5/70 = 5 × 7/70 × 7 = 35/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
9/98 = 9 × 5/98 × 5 = 45/490 - Subtract the two like fractions:
35/490 - 45/490 = 35 - 45/490 = -10/490 - After reducing the fraction, the answer is -1/49
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