Subtract 56/70 from 81/98
81/98 - 56/70 is 13/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
81/98 = 81 × 5/98 × 5 = 405/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
56/70 = 56 × 7/70 × 7 = 392/490 - Subtract the two like fractions:
405/490 - 392/490 = 405 - 392/490 = 13/490
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