Subtract 28/75 from 25/70
25/70 - 28/75 is -17/1050.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 70 × 15 = 1050,
25/70 = 25 × 15/70 × 15 = 375/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
28/75 = 28 × 14/75 × 14 = 392/1050 - Subtract the two like fractions:
375/1050 - 392/1050 = 375 - 392/1050 = -17/1050
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