Subtract 8/90 from 20/35
20/35 - 8/90 is 152/315.
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,
20/35 = 20 × 18/35 × 18 = 360/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Subtract the two like fractions:
360/630 - 56/630 = 360 - 56/630 = 304/630 - After reducing the fraction, the answer is 152/315
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