Subtract 90/36 from 7/49
1st number: 7/49, 2nd number: 2 18/36
7/49 - 90/36 is -33/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 36 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 49 × 36 = 1764,
7/49 = 7 × 36/49 × 36 = 252/1764 - Likewise, for the 2nd fraction, since 36 × 49 = 1764,
90/36 = 90 × 49/36 × 49 = 4410/1764 - Subtract the two like fractions:
252/1764 - 4410/1764 = 252 - 4410/1764 = -4158/1764 - After reducing the fraction, the answer is -33/14
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