Subtract 21/35 from 35/98
35/98 - 21/35 is -17/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 35 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
35/98 = 35 × 5/98 × 5 = 175/490 - Likewise, for the 2nd fraction, since 35 × 14 = 490,
21/35 = 21 × 14/35 × 14 = 294/490 - Subtract the two like fractions:
175/490 - 294/490 = 175 - 294/490 = -119/490 - After reducing the fraction, the answer is -17/70
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