Subtract 49/70 from 75/27
1st number: 2 21/27, 2nd number: 49/70
75/27 - 49/70 is 187/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
75/27 = 75 × 70/27 × 70 = 5250/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
49/70 = 49 × 27/70 × 27 = 1323/1890 - Subtract the two like fractions:
5250/1890 - 1323/1890 = 5250 - 1323/1890 = 3927/1890 - After reducing the fraction, the answer is 187/90
- In mixed form: 27/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/27-98/70 75/54-49/70 75/81-49/70