Subtract 30/36 from 49/90
49/90 - 30/36 is -13/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
49/90 = 49 × 2/90 × 2 = 98/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Subtract the two like fractions:
98/180 - 150/180 = 98 - 150/180 = -52/180 - After reducing the fraction, the answer is -13/45
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