Subtract 3/45 from 7/27
7/27 - 3/45 is 26/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
7/27 = 7 × 5/27 × 5 = 35/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
3/45 = 3 × 3/45 × 3 = 9/135 - Subtract the two like fractions:
35/135 - 9/135 = 35 - 9/135 = 26/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27-3/45 7/27-6/45 7/54-3/45 7/27-3/90 21/27-3/45 7/27-9/45 7/81-3/45 35/27-3/45 7/27-15/45 49/27-3/45 7/27-21/45