Subtract 12/30 from 9/56
9/56 - 12/30 is -67/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
12/30 = 12 × 28/30 × 28 = 336/840 - Subtract the two like fractions:
135/840 - 336/840 = 135 - 336/840 = -201/840 - After reducing the fraction, the answer is -67/280
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