Subtract 10/70 from 90/98
90/98 - 10/70 is 38/49.
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,
90/98 = 90 × 5/98 × 5 = 450/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
10/70 = 10 × 7/70 × 7 = 70/490 - Subtract the two like fractions:
450/490 - 70/490 = 450 - 70/490 = 380/490 - After reducing the fraction, the answer is 38/49
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