Subtract 49/30 from 7/27
1st number: 7/27, 2nd number: 1 19/30
7/27 - 49/30 is -371/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
7/27 = 7 × 10/27 × 10 = 70/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
49/30 = 49 × 9/30 × 9 = 441/270 - Subtract the two like fractions:
70/270 - 441/270 = 70 - 441/270 = -371/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27-49/30 7/27-98/30 7/54-49/30 7/27-49/60 21/27-49/30 7/81-49/30 7/27-49/90 35/27-49/30 49/27-49/30