Subtract 28/40 from 7/75
7/75 - 28/40 is -91/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
7/75 = 7 × 8/75 × 8 = 56/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
28/40 = 28 × 15/40 × 15 = 420/600 - Subtract the two like fractions:
56/600 - 420/600 = 56 - 420/600 = -364/600 - After reducing the fraction, the answer is -91/150
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