Subtract 20/54 from 90/10
1st number: 9 0/10, 2nd number: 20/54
90/10 - 20/54 is 233/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
90/10 = 90 × 27/10 × 27 = 2430/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Subtract the two like fractions:
2430/270 - 100/270 = 2430 - 100/270 = 2330/270 - After reducing the fraction, the answer is 233/27
- In mixed form: 817/27
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