Subtract 90/42 from 2/3
1st number: 2/3, 2nd number: 2 6/42
2/3 - 90/42 is -31/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
2/3 = 2 × 14/3 × 14 = 28/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
90/42 = 90 × 1/42 × 1 = 90/42 - Subtract the two like fractions:
28/42 - 90/42 = 28 - 90/42 = -62/42 - After reducing the fraction, the answer is -31/21
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