Subtract 3/28 from 21/25
21/25 - 3/28 is 513/700.
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,
21/25 = 21 × 28/25 × 28 = 588/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
3/28 = 3 × 25/28 × 25 = 75/700 - Subtract the two like fractions:
588/700 - 75/700 = 588 - 75/700 = 513/700
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