Subtract 40/3 from 49/90
1st number: 49/90, 2nd number: 13 1/3
49/90 - 40/3 is -1151/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
49/90 = 49 × 1/90 × 1 = 49/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
40/3 = 40 × 30/3 × 30 = 1200/90 - Subtract the two like fractions:
49/90 - 1200/90 = 49 - 1200/90 = -1151/90
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