Subtract 5/70 from 4/54
4/54 - 5/70 is 1/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
4/54 = 4 × 35/54 × 35 = 140/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
5/70 = 5 × 27/70 × 27 = 135/1890 - Subtract the two like fractions:
140/1890 - 135/1890 = 140 - 135/1890 = 5/1890 - After reducing the fraction, the answer is 1/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/54-5/70 4/54-10/70 12/54-5/70 4/54-15/70 20/54-5/70 4/54-25/70 28/54-5/70 4/54-35/70