Subtract 36/45 from 4/49
4/49 - 36/45 is -176/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
4/49 = 4 × 45/49 × 45 = 180/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
36/45 = 36 × 49/45 × 49 = 1764/2205 - Subtract the two like fractions:
180/2205 - 1764/2205 = 180 - 1764/2205 = -1584/2205 - After reducing the fraction, the answer is -176/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49-36/45 4/49-72/45 4/98-36/45 4/49-36/90 12/49-36/45 20/49-36/45 28/49-36/45