Subtract 36/30 from 7/27
1st number: 7/27, 2nd number: 1 6/30
7/27 - 36/30 is -127/135.
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,
36/30 = 36 × 9/30 × 9 = 324/270 - Subtract the two like fractions:
70/270 - 324/270 = 70 - 324/270 = -254/270 - After reducing the fraction, the answer is -127/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27-36/30 7/27-72/30 7/54-36/30 7/27-36/60 21/27-36/30 7/81-36/30 7/27-36/90 35/27-36/30 49/27-36/30