Subtract 12/28 from 10/25
10/25 - 12/28 is -1/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 25 × 28 = 700,
10/25 = 10 × 28/25 × 28 = 280/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
12/28 = 12 × 25/28 × 25 = 300/700 - Subtract the two like fractions:
280/700 - 300/700 = 280 - 300/700 = -20/700 - After reducing the fraction, the answer is -1/35
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