Subtract 24/54 from 25/70
25/70 - 24/54 is -11/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
25/70 = 25 × 27/70 × 27 = 675/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
24/54 = 24 × 35/54 × 35 = 840/1890 - Subtract the two like fractions:
675/1890 - 840/1890 = 675 - 840/1890 = -165/1890 - After reducing the fraction, the answer is -11/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-24/54 25/70-48/54 75/70-24/54 25/70-72/54