Subtract 2/90 from 8/84
8/84 - 2/90 is 23/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
8/84 = 8 × 15/84 × 15 = 120/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
2/90 = 2 × 14/90 × 14 = 28/1260 - Subtract the two like fractions:
120/1260 - 28/1260 = 120 - 28/1260 = 92/1260 - After reducing the fraction, the answer is 23/315
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