Subtract 70/27 from 56/70
1st number: 56/70, 2nd number: 2 16/27
56/70 - 70/27 is -242/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
56/70 = 56 × 27/70 × 27 = 1512/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
70/27 = 70 × 70/27 × 70 = 4900/1890 - Subtract the two like fractions:
1512/1890 - 4900/1890 = 1512 - 4900/1890 = -3388/1890 - After reducing the fraction, the answer is -242/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-70/54 56/70-70/81