Subtract 84/54 from 4/15
1st number: 4/15, 2nd number: 1 30/54
4/15 - 84/54 is -58/45.
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,
4/15 = 4 × 18/15 × 18 = 72/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
84/54 = 84 × 5/54 × 5 = 420/270 - Subtract the two like fractions:
72/270 - 420/270 = 72 - 420/270 = -348/270 - After reducing the fraction, the answer is -58/45
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