Subtract 90/27 from 25/35
1st number: 25/35, 2nd number: 3 9/27
25/35 - 90/27 is -55/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
25/35 = 25 × 27/35 × 27 = 675/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
90/27 = 90 × 35/27 × 35 = 3150/945 - Subtract the two like fractions:
675/945 - 3150/945 = 675 - 3150/945 = -2475/945 - After reducing the fraction, the answer is -55/21
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