Subtract 3/90 from 49/84
49/84 - 3/90 is 11/20.
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,
49/84 = 49 × 15/84 × 15 = 735/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
3/90 = 3 × 14/90 × 14 = 42/1260 - Subtract the two like fractions:
735/1260 - 42/1260 = 735 - 42/1260 = 693/1260 - After reducing the fraction, the answer is 11/20
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