Subtract 25/54 from 30/15
1st number: 2 0/15, 2nd number: 25/54
30/15 - 25/54 is 83/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
30/15 = 30 × 18/15 × 18 = 540/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
25/54 = 25 × 5/54 × 5 = 125/270 - Subtract the two like fractions:
540/270 - 125/270 = 540 - 125/270 = 415/270 - After reducing the fraction, the answer is 83/54
- In mixed form: 129/54
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