Subtract 40/60 from 28/56
28/56 - 40/60 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
28/56 = 28 × 15/56 × 15 = 420/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
40/60 = 40 × 14/60 × 14 = 560/840 - Subtract the two like fractions:
420/840 - 560/840 = 420 - 560/840 = -140/840 - After reducing the fraction, the answer is -1/6
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