Subtract 3/14 from 8/90
8/90 - 3/14 is -79/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
3/14 = 3 × 45/14 × 45 = 135/630 - Subtract the two like fractions:
56/630 - 135/630 = 56 - 135/630 = -79/630
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