Subtract 7/28 from 4/25
4/25 - 7/28 is -9/100.
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,
4/25 = 4 × 28/25 × 28 = 112/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
7/28 = 7 × 25/28 × 25 = 175/700 - Subtract the two like fractions:
112/700 - 175/700 = 112 - 175/700 = -63/700 - After reducing the fraction, the answer is -9/100
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