Subtract 35/70 from 14/90
14/90 - 35/70 is -31/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
14/90 = 14 × 7/90 × 7 = 98/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
35/70 = 35 × 9/70 × 9 = 315/630 - Subtract the two like fractions:
98/630 - 315/630 = 98 - 315/630 = -217/630 - After reducing the fraction, the answer is -31/90
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