Subtract 42/15 from 3/54
1st number: 3/54, 2nd number: 2 12/15
3/54 - 42/15 is -247/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
42/15 = 42 × 18/15 × 18 = 756/270 - Subtract the two like fractions:
15/270 - 756/270 = 15 - 756/270 = -741/270 - After reducing the fraction, the answer is -247/90
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