Subtract 12/90 from 8/35
8/35 - 12/90 is 2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
8/35 = 8 × 18/35 × 18 = 144/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
12/90 = 12 × 7/90 × 7 = 84/630 - Subtract the two like fractions:
144/630 - 84/630 = 144 - 84/630 = 60/630 - After reducing the fraction, the answer is 2/21
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