Subtract 90/3 from 49/18
1st number: 2 13/18, 2nd number: 30 0/3
49/18 - 90/3 is -491/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
49/18 = 49 × 1/18 × 1 = 49/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
90/3 = 90 × 6/3 × 6 = 540/18 - Subtract the two like fractions:
49/18 - 540/18 = 49 - 540/18 = -491/18
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