Subtract 98/70 from 20/75
1st number: 20/75, 2nd number: 1 28/70
20/75 - 98/70 is -17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
20/75 = 20 × 14/75 × 14 = 280/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
98/70 = 98 × 15/70 × 15 = 1470/1050 - Subtract the two like fractions:
280/1050 - 1470/1050 = 280 - 1470/1050 = -1190/1050 - After reducing the fraction, the answer is -17/15
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