Subtract 8/10 from 72/98
72/98 - 8/10 is -16/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
72/98 = 72 × 5/98 × 5 = 360/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
8/10 = 8 × 49/10 × 49 = 392/490 - Subtract the two like fractions:
360/490 - 392/490 = 360 - 392/490 = -32/490 - After reducing the fraction, the answer is -16/245
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