Subtract 28/30 from 3/56
3/56 - 28/30 is -739/840.
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,
3/56 = 3 × 15/56 × 15 = 45/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
28/30 = 28 × 28/30 × 28 = 784/840 - Subtract the two like fractions:
45/840 - 784/840 = 45 - 784/840 = -739/840
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