Subtract 27/49 from 4/45
4/45 - 27/49 is -1019/2205.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
4/45 = 4 × 49/45 × 49 = 196/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
27/49 = 27 × 45/49 × 45 = 1215/2205 - Subtract the two like fractions:
196/2205 - 1215/2205 = 196 - 1215/2205 = -1019/2205
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-27/49 4/45-54/49 4/90-27/49 4/45-27/98 12/45-27/49 4/45-81/49 20/45-27/49 28/45-27/49