Subtract 90/27 from 20/4
1st number: 5 0/4, 2nd number: 3 9/27
20/4 - 90/27 is 5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
20/4 = 20 × 27/4 × 27 = 540/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
90/27 = 90 × 4/27 × 4 = 360/108 - Subtract the two like fractions:
540/108 - 360/108 = 540 - 360/108 = 180/108 - After reducing the fraction, the answer is 5/3
- In mixed form: 12/3
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