Subtract 27/10 from 70/98
1st number: 70/98, 2nd number: 2 7/10
70/98 - 27/10 is -139/70.
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,
70/98 = 70 × 5/98 × 5 = 350/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
27/10 = 27 × 49/10 × 49 = 1323/490 - Subtract the two like fractions:
350/490 - 1323/490 = 350 - 1323/490 = -973/490 - After reducing the fraction, the answer is -139/70
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