Subtract 49/4 from 1/45
1st number: 1/45, 2nd number: 12 1/4
1/45 - 49/4 is -2201/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
1/45 = 1 × 4/45 × 4 = 4/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
49/4 = 49 × 45/4 × 45 = 2205/180 - Subtract the two like fractions:
4/180 - 2205/180 = 4 - 2205/180 = -2201/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45-49/4 1/45-98/4 1/90-49/4 1/45-49/8 3/45-49/4 1/45-49/12 5/45-49/4 1/45-49/20 7/45-49/4 1/45-49/28