Subtract 90/6 from 20/36
1st number: 20/36, 2nd number: 15 0/6
20/36 - 90/6 is -130/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 6 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Likewise, for the 2nd fraction, since 6 × 6 = 36,
90/6 = 90 × 6/6 × 6 = 540/36 - Subtract the two like fractions:
20/36 - 540/36 = 20 - 540/36 = -520/36 - After reducing the fraction, the answer is -130/9
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