Subtract 28/20 from 25/27
1st number: 25/27, 2nd number: 1 8/20
25/27 - 28/20 is -64/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
25/27 = 25 × 20/27 × 20 = 500/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
28/20 = 28 × 27/20 × 27 = 756/540 - Subtract the two like fractions:
500/540 - 756/540 = 500 - 756/540 = -256/540 - After reducing the fraction, the answer is -64/135
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